For those who give in Charity, men and women, and loan to Allah a Beautiful Loan, it shall be increased manifold (to their credit), and they shall have (besides) a liberal reward.[Qur'an 57:18]

Narrated Ibn 'Abbas: The mother of Sad bin 'Ubada(RA) died in his absence. He said, "O Allah's Apostle! My mother died in my absence; will it be of any benefit for her if I give Sadaqa on her behalf?" The Prophet(PBUH) said, "Yes," Sad said, "I make you a witness that I gave my garden called Al Makhraf in charity on her behalf."