The man who is a pessimist before forty-eight knows too much; if he is an optimist after it he knows read more

The man who is a pessimist before forty-eight knows too much; if he is an optimist after it he knows too little

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.

A pessimist is one who makes difficulties of his opportunities; an optimist is one who makes opportunities of his difficulties.

A pessimist is one who makes difficulties of his opportunities; an optimist is one who makes opportunities of his difficulties.

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.

In these times you have to be an optimist to open your eyes in the morning.

In these times you have to be an optimist to open your eyes in the morning.

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.

Few things in the world are more powerful than a positive push. A smile. A word of optimism and hope. read more

Few things in the world are more powerful than a positive push. A smile. A word of optimism and hope. A "you can do it" when things are tough.

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.

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