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

A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.

A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.

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.

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.

I find nothing more depressing than optimism.

I find nothing more depressing than optimism.

If you pretend to be good, the world takes you very seriously. If you pretend to be bad, it doesn't. read more

If you pretend to be good, the world takes you very seriously. If you pretend to be bad, it doesn't. Such is the astounding stupidity of optimism.

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

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

Pessimism leads to weakness, optimism to power

Pessimism leads to weakness, optimism to power

Few things in the world are more powerful than a positive push. A smile. A word of optimism and hope. read more

Few things in the world are more powerful than a positive push. A smile. A word of optimism and hope. And you can do it when things are tough.