The only limit to our realization of tomorrow will be our doubts of today.

The only limit to our realization of tomorrow will be our doubts of today.

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 Christianity is pessimistic as to man, it is optimistic as to human destiny. Well, I can say that, pessimistic read more

If Christianity is pessimistic as to man, it is optimistic as to human destiny. Well, I can say that, pessimistic as to human destiny, I am optimistic as to man.

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.

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

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

An optimist is a fellow who believes what's going to be will be postponed.

An optimist is a fellow who believes what's going to be will be postponed.

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.

Optimism is the opium of the people.

Optimism is the opium of the people.

Optimism is the foundation of courage.

Optimism is the foundation of courage.