Prophet Hud - 11:118 Had your Lord willed, He would have made the people one people. But they will always dispute (the truth).
Had Allah willed, everyone would have believed:
The Prostration/32:13 If We had willed, We could have given guidance to everyone, but My promise has come true that I will fill Hell with a portion of the jinn and mankind.

Prophet Hud/11:118 Had your Lord willed, He would have made the people one people. But they will always dispute (the truth).

Prophet Jonah/10:99 Had your Lord willed, all those on the earth would have believed. Then will you force the people to believe?
Prophet Jonah/10:99 Had your Lord willed, all those on the earth would have believed. Then will you force the people to believe?

The Cattle/6:35 If their turning away is too much for you, know that even if you had the power to make a hole in the earth or a ladder in the sky, it would not profit you if you presented a miracle. Had Allah willed, He would have guided them. So do not be among the ignorant.

The Bee/16:93 Had Allah willed, He could have made you one people. But He leads astray whom He wills and guides whom He wills. Surely you will be questioned about what you used to do.

Council/42:8 Had Allah willed, He could have made them one people. But He lets whom He wills into His mercy. The wrongdoers have no owner or helper.

The Table Spread/5:48 We have sent down to you this Book, which confirms the previous Books and replaces them, as a comprehensive truth, so judge between them by what Allah has sent down to you. Do not leave the truth that has come to you and follow their whim. We have appointed for each of you a law and a method, and if Allah had willed, He would have made you all one people. But He tests you with what He has given you. Compete in good deeds. To Allah is the return of all of you. He will inform you of the matters on which you differ.

The Bee/16:9 It belongs to Allah to show the paths; some of them are crooked. Had He willed, He would have guided you all to the truth.

The Thunder/13:31 Even if there were a Qur´an by which the mountains are moved, or the earth is torn asunder, or the dead are raised (they would not believe). All affairs are under the control of Allah. Have the believers not yet realized that if Allah willed, He could guide all mankind to the truth? Those who disbelieve will suffer a calamity, either upon their heads or upon their relatives, as a reward for what they have done, until Allah´s Word is fulfilled. Allah does not go back on His word.

The Cattle/6:149 "Say: "The strongest proof is from Allah. If He willed, He would surely guide you all to the truth."

The Cow/2:253 And We favored some of those messengers more than others, for example, with some Allah spoke, and with some He raised them in degrees. We gave clear proofs to Jesus son of Mary and supported him with the Holy Spirit. Had Allah willed, those who came after them would not have quarrelled with one another after clear proofs had come to them. But they differed. Some believed and some disbelieved. Had Allah willed, they would not have fought one another. But Allah does what He wills.