Luke 6:38
Give, and others will give to you. A generous measure, pressed and shaken down, and running over, will they pour into your lap; For the measure that you mete will be meted out to you in return."
Acts 11:29-30
So the disciples, without exception, determined, in proportion to their means, to send something to help the Brethren living in Judea.
2 Corinthians 9:5-11
Therefore I think it necessary to urge the Brothers to go to you in advance, and to complete the arrangements for the gift, which you have already promised, so that it may be ready, as a gift, before I come, and not look as if it were being given under pressure.