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 believe that man will not merely endure; he will prevail.

I believe that man will not merely endure; he will prevail.

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

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

Be an optimist -- at least until they start moving animals in pairs to Cape Canaveral.

Be an optimist -- at least until they start moving animals in pairs to Cape Canaveral.

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.

What seems to us as bitter trials are often blessings in disguise

What seems to us as bitter trials are often blessings in disguise

Positiveness is a good quality for preachers and speakers because, whoever shares his thoughts with the public will convince them read more

Positiveness is a good quality for preachers and speakers because, whoever shares his thoughts with the public will convince them as he himself appears convinced.

The average pencil is seven inches long, with just a half-inch eraser - in case you thought optimism was dead.

The average pencil is seven inches long, with just a half-inch eraser - in case you thought optimism was dead.

A pessimist is an optimist with experience

A pessimist is an optimist with experience