Life is too short for long-term grudges.

It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.

First, then, God, being all-just, wishes to do justice; being all-wise, knows what justice is; being all-powerful, can do justice. Why then injustice?

Certain signs precede certain events.

Don't cry for a man who's left you - the next one may fall for your smile.

Nothing in life is more remarkable than the unnecessary anxiety which we endure, and generally create ourselves.

To one extent, if you've seen one city slum, you've seen them all.

When one has not had a good father, one must create one.

The things that come to those that wait may be the things left by those that got there first.

Whether I shall turn out to be the hero of my own life, or whether that station will be held by anybody else, these pages must show.

The rich will do anything for the poor but get off their backs.

I'd trade all my tomorrows for a single yesterday.

Doubt must be no more than vigilance, otherwise it can become dangerous.

If we couldn't laugh we would all go insane.

Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.

How wonderful it is that nobody need wait a single moment before starting to improve the world.

Old minds are like old horses; you must exercise them if you wish to keep them in working order.

Joy is what happens to us when we allow ourselves to recognize how good things really are.

All sport ... is one of the few activities where young people can proceed along traditional avenues, where objectives are clear, where the desire to win is not only permissible, but encouraged.

I think it's much more interesting to live not knowing than to have answers which might be wrong.

Life is like a library owned by the author. In it are a few books which he wrote himself, but most of them were written for him.