Failures, repeated failures, are sign-posts on the road to achievement. The only time you don't want to fail is the last time you try something (and it works).

An inventor is simply a fellow who doesn't take his education too seriously.

In America we can say what we think, and even if we can't think, we can say it anyhow.

There exist limitless opportunities in every industry. Where there is an open mind, there will always be a frontier.

There has never been any 30-hour week for men who had anything to do.

Failures, repeated failures, are sign-posts on the road to achievement. The only time you don't want to fail is the last time you try something (and it works).

I could do nothing without my problems; they toughen my mind. In fact, I tell my assistants not to bring me their successes for they weaken me, but rather to bring me their problems, for they strengthen me.