Holy Quran

Qur’an, 30:39

 “That which you give in usury for increase through the property of (other) people, will have no increase with Allah: but that which you give for charity, seeking the Countenance of Allah, (will increase); it is those who will get a recompense multiplied.”

Al Hadith

Muslim Vol. 4, Hadith 6264

Abu Hurairah (r.a.) reported Allah’s Messenger (s.a.w.s.) as saying: “Charity does not in any way decrease the wealth and the servant who forgives, Allah adds to his respect; and the one who shows humility, Allah elevates him in the estimation (of the people).” 

Zakat

Surah at-Taubah verses 34-35

“O ye who believe! there are indeed many among the priests and anchorites, who in Falsehood devour the substance of men and hinder (them) from the way of Allah”.

Infaq

Qur’an, 2: 276

“Allah will deprive usury of all blessing, but will give increase for deeds of charity: for He loves not creatures ungrateful and sinner.”