You can do anything you think you can. This knowledge is literally the gift of the gods, for through it read more

You can do anything you think you can. This knowledge is literally the gift of the gods, for through it you can solve every human problem. It should make of you an incurable optimist. It is the open door.

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

May the pain you have known and the conflict you have experienced give you the strength to walk through life read more

May the pain you have known and the conflict you have experienced give you the strength to walk through life facing each new situation with courage and optimism.

Optimism is the opium of the people.

Optimism is the opium of the people.

The optimist sees the rose and not its thorns; the pessimist stares at the thorns, oblivious to the rose

The optimist sees the rose and not its thorns; the pessimist stares at the thorns, oblivious to the rose

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'm an optimist in the sense that I believe humans are noble and honorable, and some of them are really read more

I'm an optimist in the sense that I believe humans are noble and honorable, and some of them are really smart. I have a very optimistic view of individuals.

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

An optimist is a man 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.