I became an optimist when I discovered that I wasn't going to win any more games by being anything else.

I became an optimist when I discovered that I wasn't going to win any more games by being anything else.

Optimism is essential to achievement and it is also the foundation of courage and true progress.

Optimism is essential to achievement and it is also the foundation of courage and true progress.

The optimist sees the rose and not its thorns; the pessimist stares at the thorns, oblivious to the rose

The optimist sees the rose and not its thorns; the pessimist stares at the thorns, oblivious to the rose

The optimist proclaims that we live in the best of all possible worlds; and the pessimist fears this is true.

The optimist proclaims that we live in the best of all possible worlds; and the pessimist fears this is true.

There is no sadder sight than a young pessimist, except an old optimist.

There is no sadder sight than a young pessimist, except an old optimist.

Nobody can go back and start a new beginning, but anyone can start today and make a new ending.

Nobody can go back and start a new beginning, but anyone can start today and make a new ending.

I find nothing more depressing than optimism.

I find nothing more depressing than optimism.

An optimist is a man who has never had much experience.

An optimist is a man who has never had much experience.

Optimism is the foundation of courage.

Optimism is the foundation of courage.