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.

Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence.

Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence.

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

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

Smile when it hurts most.

Smile when it hurts most.

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 always like to look on the optimistic side of life, but I am realistic enough to know that life read more

I always like to look on the optimistic side of life, but I am realistic enough to know that life is a complex matter.

Do not expect the world to look bright, if you habitually wear gray-brown glasses.

Do not expect the world to look bright, if you habitually wear gray-brown glasses.

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.

For myself I am an optimist - it does not seem to be much use being anything else

For myself I am an optimist - it does not seem to be much use being anything else