When looking back, usually I'm more sorry for the things I didn't do than for the things I shouldn't have done.
The key to success is not through achievement, but through enthusiasm.
Those who enjoy responsibility usually get it; those who merely like exercising authority usually lose it.
To measure the man, measure his heart.
Working at what you enjoy is far more important than what you're working at.
It's a very short trip. While alive, live.