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

Optimism. The doctrine or belief that everything is beautiful, including what is ugly.

Optimism. The doctrine or belief that everything is beautiful, including what is ugly.

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

Optimism is the foundation of courage.

Optimism is the foundation of courage.

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.

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.

If you will call your troubles experiences, and remember that every experience develops some latent force within you, you will read more

If you will call your troubles experiences, and remember that every experience develops some latent force within you, you will grow vigorous and happy, however adverse your circumstances may seem to be.

I doubt anyone will ever see -- anywhere -- a memorial to a pessimist.

I doubt anyone will ever see -- anywhere -- a memorial to a pessimist.

Be that contented person who looks beyond circumstances and see better days rather than the discontented who looks at circumstances read more

Be that contented person who looks beyond circumstances and see better days rather than the discontented who looks at circumstances and see no other way.