My pessimism goes to the point of suspecting the sincerity of the pessimists.

My pessimism goes to the point of suspecting the sincerity of the pessimists.

Pessimism leads to weakness, optimism to power

Pessimism leads to weakness, optimism to power

What seems to us as bitter trials are often blessings in disguise

What seems to us as bitter trials are often blessings in disguise

Optimism is the foundation of courage.

Optimism is the foundation of courage.

Always borrow money from a pessimist. He won’t expect it back.

Always borrow money from a pessimist. He won’t expect it back.

So of cheerfulness, or a good temper, the more it is spent, the more of it remains.

So of cheerfulness, or a good temper, the more it is spent, the more of it remains.

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

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

The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.

The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.

The average pencil is seven inches long, with just a half-inch eraser - in case you thought optimism was dead.

The average pencil is seven inches long, with just a half-inch eraser - in case you thought optimism was dead.