Diamond Sutra, chapter 21
"Subhuti, when someone is selflessly generous, they should also practice being ethical by remembering that there is no distinction between one's self others. Thus one practices generosity by giving not only gifts, but also through kindness and sympathy. Practice kindness and charity without attachment and you can become fully enlightened."
Practice kindness but don't be attached to results. When we understand that the boundaries between self and other are illusory, being generous, kind, and compassionate comes very naturally to us.