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.

An optimist will tell you the glass is half-full; the pessimist, half-empty; and the engineer will tell you the glass read more

An optimist will tell you the glass is half-full; the pessimist, half-empty; and the engineer will tell you the glass is twice the size it needs to be

I can't change the direction of the wind, but I can adjust my sails to always reach my destination.

I can't change the direction of the wind, but I can adjust my sails to always reach my destination.

The man who is a pessimist before forty-eight knows too much; if he is an optimist after it he knows read more

The man who is a pessimist before forty-eight knows too much; if he is an optimist after it he knows too little

A pessimist is an optimist with experience

A pessimist is an optimist with experience

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

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

In the long run the pessimist may be proved right, but the optimist has a better time on the trip.

In the long run the pessimist may be proved right, but the optimist has a better time on the trip.

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.

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.