The only source where we can learn the facts about life in this world and belief in the afterlife is the Qur’an, sent down as a guide for human beings and the teachings (Sunnah) of the Prophet (may God bless him and grant him peace).
God says in the Qur’an that life in this world is a temporary testing period for everyone, and that the afterlife is our eternal homeland. Everyone will have a reward in Paradise or Hell for all the deeds he has done over the lifetime he has spent in this world.
God reveals this truth in these words (Qur’an, 6: 32):
“The life of this world is nothing but a game and a diversion. The hereafter is better for those who do their duty. So will you not use your intellect?”
“The life of this world is nothing but a game and a diversion. The abode of hereafter-that is truly Life. ” (Qur’an, 29:64).