"Do good to others, surely Allah loves those who do good to others." (2:195)
"The best men are those who are most beneficial towards others." (Hadith narrated by Imam Baihaqi)
"You cannot attain to righteousness unless you spend (in charity) out of those things which you love." (3:91)
"(The true believers are those) in whose wealth there is a known right for the beggar and the destitute." (70:24-25)
"And help you one another in righteousness and piety. But do not help one another in sin and transgression." (5: 2)
"You will see the believers in their having mercy for one another, and in their love for one another, and in their kindness towards one another, like the human body: when one limb is ailing, the whole body feels it, one part calling out the other with sleeplessness and fever." (Holy Prophet in Bukhari.)