The Spoils of War - 8:24 O you who believe, respond to Allah and His Messenger when He calls you to that which will give you life. Know that Allah intervenes between a person and his heart, and to Him you will be gathered.
Allah knows what is in the hearts:
The Family Of Imran/3:154 "Then after that sorrow, He sent down upon you a safe sleep which calmed a group of you. Some of you were self-absorbed and self-centered, forming false ideas about Allah, as in the days of ignorance, and saying, "Do we have any authority in this matter?"Say, "All authority belongs to Allah."They were hiding in their hearts what they did not reveal to you. They say, "If we had any authority, we would not have been killed here."Say, "Even if you had been in your homes, those among you who were appointed to die would have crawled to the place where they would have fallen."Allah thus tries what is in your breasts and purifies what is in your hearts. Allah knows the most secret thoughts."

The Cow/2:76 "When they meet the believers, they say: "We believe"; but when they are alone with them, they say: "Do you tell them what Allah has revealed to you so that they may use it as evidence against you in the sight of your Lord?"
The Cow/2:77 Do they not know that Allah knows all that they conceal and all that they reveal?

The Family Of Imran/3:167 "Thus are the hypocrites exposed. When it was said to them, "Come, fight in the way of Allah or contribute", they said, "If we knew about war, we would have joined you". At that moment they were closer to disbelief than to faith. They say with their mouths what is not in their hearts. But Allah knows very well what they conceal."
The Family Of Imran/3:167 "Thus are the hypocrites exposed. When it was said to them, "Come, fight in the way of Allah or contribute", they said, "If we knew about war, we would have joined you". At that moment they were closer to disbelief than to faith. They say with their mouths what is not in their hearts. But Allah knows very well what they conceal."

The Women/4:62 "If some calamity befalls them as a result of what they have done, they come to you and swear by Allah, "We only intended to do good and to reconcile"."
The Women/4:63 Allah knows what is in their hearts. Pay no attention to them, enlighten them, and speak to them kind words that will affect their character.

The Table Spread/5:61 "When they came to you, they said: "We believe". But they entered you with their disbelief and left you with their disbelief. Allah knows better what they conceal."
The Table Spread/5:99 The Messenger´s duty is only to announce. Allah knows what you reveal and what you conceal.

The Cattle/6:151 "Say: "Come, let me tell you what your Lord has forbidden you: Do not associate anything with Him. Be kind to your parents. Do not kill your children for fear of poverty; We feed you and them. And do not approach the great sins openly or secretly, and do not kill a soul unjustly which Allah has forbidden. These are His admonitions to you that you may reflect."

The Heights/7:33 "Say: "My Lord has forbidden only the open and the secret of evil deeds, and sins, and wrongful aggression, and associating partners with Allah what He has not given them any authority or power, and saying about Allah what you do not know."

The Repentance/9:64 "The hypocrites fear the descent of a Surah which will inform them of what is in their hearts. Say: "Mock, Allah will reveal to you what you fear."
The Repentance/9:77 Because they broke their promise to Allah and lied, He put hypocrisy in their hearts until the Day when they will meet Him.
The Repentance/9:78 Do they not know that Allah knows what they conceal and what they whisper, and Allah is All-Knowing of all that is hidden?
The Repentance/9:94 "When you return to them (from the war), they offer you excuses. Say: "Do not make excuses in vain; we do not believe in you any more, Allah has informed us of your situation. Allah and His messenger will see your affairs, and then you will be returned to the One Who knows the secret and the open. He will inform you of everything you do."
The Repentance/9:105 Work hard; Allah and His Messenger and those who believe will see what you do. You will be returned to the Knower of the hidden and the manifest, and He will inform you of what you have done.

Prophet Hud/11:5 They want to conceal from Him what is in their breasts. Know well that He knows what they conceal and what they reveal, even when they put on their clothes. He is the Knower of secret thoughts.
Prophet Hud/11:31 I do not say that the treasures of Allah are with me, nor do I know the secret, nor do I claim to be an angel, nor do I say that Allah will not grant any favor to those whom your eyes despise. Allah knows better their secret thoughts. Otherwise I would be of the wrongdoers.

The Thunder/13:9 He is the Knower of the hidden and the manifest, the Great, the Exalted.
The Thunder/13:10 Whether you conceal the Word or reveal it, whether you hide it in the darkness of the night or come out in the daytime, it is one for Him.

Prophet Abraham/14:38 "Our Lord, You know what we conceal and what we reveal. Nothing in heaven and earth is hidden from Allah.

The Bee/16:19 Allah knows what you conceal and what you reveal.
The Bee/16:22 Your God is only one God. The hearts of those who do not believe in the Hereafter are disbelievers and they are arrogant.
The Bee/16:23 Surely Allah knows what they conceal and what they reveal. He does not love the arrogant.

Ta-Ha/20:7 He knows the hidden and the hidden of the hidden, whether you reveal (your intention) in words or not.

The Prophets/21:110 He knows the word revealed, and He knows what you conceal.

The Light/24:29 There is no harm in you entering a house that is not inhabited and in which you have your belongings. Allah knows what you reveal and what you conceal.

The Ants/27:25 But they should have prostrated to Allah, Who reveals what is hidden in the heavens and the earth. He knows what they conceal and what they reveal.
The Ants/27:74 And surely your Lord knows what their breasts conceal and what they reveal.

The Stories/28:68 Your Lord creates what He wills and chooses what He wills. The choice is not theirs. Allah is far from what they associate partners with.
The Stories/28:69 For your Lord knows what their breasts conceal as He knows what they reveal.

The Spider/29:10 "There are some of the people who say, "We believe in Allah,"but when they suffer hardship in the way of Allah, they take the oppression and torture of the people as Allah´s punishment. But when a victory comes to you from your Lord, they say, "We were with you."Does not Allah know the most secret thoughts of everyone?"

Luqman/31:23 Let not the disbelief of those who disbelieve grieve you. To Us is their return and We will inform them of what they used to do. Allah is well acquainted with secret thoughts

The Prostration/32:5 He controls all affairs from the heavens to the earth. Then they ascend to Him in a day equal to a thousand years of what you count.
The Prostration/32:6 Such is the All-Superior and All-Merciful, Who knows the hidden and the manifest.

The Coalition/33:37 "You used to say to the one to whom Allah had done good to you and you had done good to him, "Keep your wife and observe Allah". Thus you were concealing what Allah would reveal. You were afraid of the people when you should have been afraid of Allah. And when Zayd was estranged from his wife, We gave you her in marriage so that the believers may not find it difficult to marry their adopted children when they are estranged from their wives. Allah´s command must be fulfilled."

Sheva/34:3 "The disbelievers said, "The Hour will never come."Say, "It will surely come to you by my Lord. He is the Knower of the future. Not an atom´s weight in the heavens and the earth is hidden from Him. Whether it is less than it or greater than it. It is all in a clear Book."

Originator/35:38 Allah is the Knower of the future and the mysteries of the heavens and the earth. He is Knower of what the breasts conceal.

Yaseen/36:76 Let not their words grieve you. We know very well what they conceal and what they reveal.

The Companies/39:46 "Say, "My God, Who created the heavens and the earth out of nothing, Who knows the hidden and the manifest, You alone judge between Your servants in matters wherein they differ."

The Forgiver/40:19 He knows what the eyes cannot see and what the breasts conceal.

Explained in Detail/41:40 Those who distort Our Verses are not hidden from Us. Who is better, he who is thrown into the Fire or he who comes to Us on the Day of Resurrection in safety? Act as you wish. Surely He is the All-Seeing of what you do.

Muhammad/47:29 Do they not know that Allah will reveal their hatred to those in whose hearts is a disease?

The Victory/48:18 Allah is pleased with the believers who pledged allegiance to you under the tree. He knew what was in their hearts and sent down peace on them and rewarded them with an imminent victory.

The Woman Who Is Examined/60:1 O you who believe, do not take my enemy as a friend and your enemy as a friend. You show them love while they have denied the truth that has come to you and have driven out the messenger and you (from your country) because you believed in Allah, your Lord. How can you love them secretly if you have gone out on a jihad in My way to win My favor? But I know very well what you conceal and what you reveal. Whoever of you does so has gone astray from the right path.

The Congregation - Friday/62:8 "Say: "The death from which you have been fleeing will surely reach you, and then you will be brought back to the Presence of the Knower of the hidden and the unseen. He will inform you of everything you do."

The Manifestation of Losses/64:4 He knows what is in the heavens and the earth, and He knows what you conceal and what you reveal. Allah is well aware of your secret thoughts.
The Manifestation of Losses/64:18 He is the Knower of what is hidden and what is revealed; the Exalted, the Wise.

The Kingdom/67:13 Whether you conceal your words or make them public, He knows your secret thoughts.

The Most High/87:7 Except what Allah wills; He knows the manifest and the hidden.