Many people and governments share the mistaken belief that science with new ingenious devices and techniques can rescue us from the troubles we face without our having to mend our ways and change our patterns of activity. This is not so.

I wouldn't change anything. I've made mistakes but thanks to those mistakes I've learned.

Of course there is no question that Libya - and the world - will be better off with Gaddafi out of power. I along with many other world leaders have embraced that goal and will actively pursue it through non-military means. But broadening our military mission to include regime change would be a mistake.

The joy of life consists in the exercise of one's energies continual growth constant change the enjoyment of every new experience. To stop means simply to die. The eternal mistake of mankind is to set up an attainable ideal.

One thing is certain in business. You and everyone around you will make mistakes.

Of course everybody makes mistakes and we've all been young and stupid. But people need to have a sense of respect particularly in this business because hundreds of people are ready to take your place at any time. Maybe some people should think about that.

I've got to keep breathing. It'll be my worst business mistake if I don't.

Raising children is an incredibly hard and risky business in which no cumulative wisdom is gained: each generation repeats the mistakes the previous one made.

The first mistake in public business is the going into it.

Some of the best lessons we ever learn are learned from past mistakes. The error of the past is the wisdom and success of the future.