They have sown the wind, and they shall reap the whirlwind. – Bible

The effects of our actions may be postponed but they are never lost. There is an inevitable reward for good deeds and an inescapable punishment for bad. Meditate upon this truth, and seek always to earn good wages from Destiny. – Fu Wu Ming

You REAP what You SOW: Life is like a boomerang. Our thoughts, deeds and words return to us sooner or later, with astounding accuracy. – Grant M. Bright

Let the motive be in the deed and not in the event. Be not one whose motive for action is the hope of reward. – Kreeshna