It takes courage to know when you ought to be afraid.

It is unimaginable that I graduated from one of America's better colleges, yet I am totally incapable of understanding tax returns.

Scientists dream about doing great things. Engineers do them.

If a man happens to find himself, he has a mansion which he can inhabit with dignity all the days of his life.

Don't fear failure so much that you refuse to try new things. The saddest summary of a life contains three descriptions: could have, might have, and should hav…

But the bravest are surely those who have the clearest vision of what is before them, glory and danger alike, and yet notwithstanding go out to meet it.

It's important to scare yourself, to do things you don't think you're capable of doing.