God never estimates what we give from impulse. We are given credit for what we determine in our hearts to give; for the giving that is governed by a fixed determination. The Spirit of God revolutionises our philanthropic instincts. Much of our philanthropy is simply the impulse to save ourselves an uncomfortable feeling. The Spirit of God alters all that. As saints our attitude towards giving is that we give for Jesus Christ’s sake, and from no other motive. 
Oswald Chambers, Biblical Psychology: Christ-Centered Solutions for Daily Problems
generosity, giving, guilt