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.

Optimism is the foundation of courage.

Optimism is the foundation of courage.

Few cases of eyestrain have been developed by looking on the bright side of things.

Few cases of eyestrain have been developed by looking on the bright side of things.

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

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

A pessimist is an optimist with experience

A pessimist is an optimist with experience

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.

An optimist is the human personification of spring.

An optimist is the human personification of spring.

The habit of looking on the bright side of every event is worth more than a thousand pounds a year.

The habit of looking on the bright side of every event is worth more than a thousand pounds a year.