Optimism is the foundation of courage.

Optimism is the foundation of courage.

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

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.

Teaching is the greatest act of optimism

Teaching is the greatest act of optimism

A pessimist is an optimist with experience

A pessimist is an optimist with experience

A pessimist only sees the dark side of the clouds, and mopes; a philosopher sees both sides and shrugs; an read more

A pessimist only sees the dark side of the clouds, and mopes; a philosopher sees both sides and shrugs; an optimist doesn't see the clouds at all--he's walking on them.

A pessimist is one who makes difficulties of his opportunities; an optimist is one who makes opportunities of his difficulties.

A pessimist is one who makes difficulties of his opportunities; an optimist is one who makes opportunities of his difficulties.

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.