Sahih Muslim Book 39, Hadith Number 6740.

Chapter : Dipping of the most affluent people of the world in the hell-fire and dipping of the most (worldly) miserable in Paradise.

Anas b. Malik reported that Allah’s Messenger (may peace be upon him) thus told him: When a non-believer does good he is made to taste Its reward in this world. And so far as the believer is concerned, Allah stores (the reward) of his virtues for the Hereafter and provides him sustenance in accordance with his obedience to Him.