Luke 6:35
But love your enemies, and do good, and lend, hoping for nothing in return; and your reward shall be great, and you shall be children of the Most High; for he is good to the unthankful and evil.
Luke 11:41
But give the things within in charity, and behold, all things are pure to you.
Luke 14:12-14
And he said also to him that had invited him, When you make a breakfast, or a supper, call not your friends, nor your brothers, nor your relatives, nor your rich neighbors, lest they also at some time invite you in return, and a compensation be made to you.
2 Corinthians 9:6-11
And [consider] this, He that sows sparingly shall reap also sparingly, and he that sows liberally shall reap also liberally.
Hebrews 13:2
Forget not hospitality; for by this some without knowing it have entertained angels.
James 1:27
Pure religion and undefiled with the God and Father is this, to visit the orphans and widows in their affliction, and to keep one's self unspotted from the world.