To do great things is difficult; but to command great things is more difficult.

Every single person I know who is successful at what they do is successful because they love doing it.

Rarely have I seen a situation where doing less than the other guy is a good strategy.

Start today, not tomorrow. If anything, you should have started yesterday.

The best time to plant a tree was 20 years ago. The second best time is now.

Don't waste your life in doubts and fears: Spend yourself on the work before you, well assured that the right performance of this hour's duties will be the best preparation for the hours or ages that follow it.