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 sons of the Most High: for he is kind to the unthankful and the evil.
Luke 11:41
But give as charity the contents of the cup, and behold, all things are clean for you.
Luke 14:12-14
Then he said also to him that had invited him: "When you make a dinner or a supper, call not your friends, nor your brothers, nor your relatives, nor your rich neighbors, lest they also invite you in return, and a recompense be made you.
2 Corinthians 9:6-11
But remember this, that he who sows sparingly, shall also reap sparingly; and he who sows bountifully, shall also reap bountifully.
Hebrews 13:2
Be not forgetful to entertain strangers: for, by this means, some have unconsciously entertained angels.
James 1:27
Religion, pure and undefiled before God and the Father, is this: To visit the fatherless and widows in their affliction, and to keep himself unspotted from the world.