If you realized how powerful your thoughts are, you would never think a negative thought.

If you realized how powerful your thoughts are, you would never think a negative thought.

Optimist: a proponent of the doctrine that black is white.

Optimist: a proponent of the doctrine that black is white.

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.

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'm a pessimist because of intelligence, but an optimist because of will

I'm a pessimist because of intelligence, but an optimist because of will

The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.

The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.

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

An optimist is a person who sees a green light everywhere, while a pessimist sees only the red stoplight. . read more

An optimist is a person who sees a green light everywhere, while a pessimist sees only the red stoplight. . . The truly wise person is colorblind.