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 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.

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.

When you have seven percent unemployed, you have ninety-three percent working.

When you have seven percent unemployed, you have ninety-three percent working.

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 believe that man will not merely endure; he will prevail.

I believe that man will not merely endure; he will prevail.

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

In the long run the pessimist may be proved right, but the optimist has a better time on the trip.

In the long run the pessimist may be proved right, but the optimist has a better time on the trip.

An optimist is the human personification of spring.

An optimist is the human personification of spring.