The distance between insanity and genius is measured only by success.

There are years that ask questions and years that answer.

We can either make ourselves miserable, or we make ourselves strong. The amount of work is the same.

Small opportunities are often the beginning of great enterprises.

The greater the difficulty, the more glory in surmounting it.

Stretching his hand up to reach the stars, too often man forgets the flowers at his feet.

If you are lonely when you're alone, you are in bad company.