Prophet Hud - 11:108
And those who deserve happiness will abide in Paradise as long as the heavens and the earth endure. Except if your Lord wills. This is an uninterrupted reward.
Happiness in the Hereafter:
The Cave/18:108
They will abide therein forever, and they do not want to exchange it for anything.
The Prostration/32:17
No one knows what joy and happiness awaits them as a reward for what they did.
Originator/35:35
He it is Who, out of His grace, has placed us in a abode of rest. There we shall never feel tired nor weary.
The Criterion/25:75
These will be rewarded for their patience with the chambers of Paradise, where they will have a happy life and peace.
The Family Of Imran/3:15
"Say: "Shall I inform you of something better than that? For the righteous there are gardens with their Lord beneath which rivers flow, gardens in which they will abide forever, immaculate wives, and happiness because they have won the approval of Allah."Allah sees the servants."
Prophet Jonah/10:63
Those who believed and acted righteously.
Prophet Jonah/10:64
For them is happiness in the life of this world and in the Hereafter. Allah´s words (His promise) do not change. That is the greatest victory.
The Cave/18:107
As for those who believed and did righteous deeds, they deserve Gardens full of joy and happiness as a station.
The Prostration/32:17
No one knows what joy and happiness awaits them as a reward for what they did.
The Sure Truth/69:19
"He who is given the Book on his right hand will say, "Take, read My Book."
The Sure Truth/69:20
I believed that I would meet my reckoning.
The Sure Truth/69:21
He is in a happy life,
The Sure Truth/69:22
In a high paradise (garden),
The Sure Truth/69:23
Its fruits are within reach.
The Sure Truth/69:24
Eat and drink with pleasure for what you used to do in your past days.