Sahih Muslim Book 33, Hadith Number 6404.

Chapter : The growth of a child in the womb of a mother and his destiny in regard to his livelihood, his deeds. both good and evil.

‘Imran b. Husain reported that it was said to Allah’s Messenger (may peace be upon him): Has there been drawn a distinction between the people of Paradise and the denizens of hell? He said: Yes. It was again said: (If it is so), then What is the use of doing good deeds? Thereupon he said: Everyone is facilitated in what has been created for him.