Abu Huraira radiallahu anhu reported Allah's Apostle peace be upon him as saying that:

Allah the Exalted and Glorious, said: I have prepared for My pious servants which no eye has ever seen, and no ear has ever heard, and no human heart has ever perceived but it is testified by the Book of Allah. He then recited:" No soul knows what comfort has been concealed from them, as a reward for what they did".

Sahl ibn Sa'd radiallahu anhu reported Allah's Messenger peace be upon him as saying:

The inmates of Paradise will look to the upper apartment of Paradise as you see the planets in the sky. I narrated this hadith to Nu'man ibn Abi Ayyash and he said: I heard Abu Sa'id al-Khudri as saying: As you see the shining planets in the eastern and western (sides of) horizon.