There is no learning without some difficulty and fumbling. If you want to keep on learning, you must keep on risking failure-all your life.

The hallmark of our age is the tension between aspirations and sluggish institutions.

Whoever I am, or whatever I am doing, some kind of excellence is within my reach.

The cynic says, "One man can't do anything". I say, "Only one man can do anything."

All of us celebrate our values in our behavior.

The individual who has become a stranger to himself has lost the capacity for genuine self-renewal.

I think that all human systems require continuous renewal. They rigidify. They get stuff in the joints. They forget what they cared about. The forces against it are nostalgia and the enormous appeal of having things the way they always have been, appeals to a supposedly happy past. But we've got to move on.