The most incomprehensible thing about the world is that it is comprehensible. 

The man who will use his skill and constructive imagination to see how much he can give for a dollar, instead of how little he can give for a dollar, is bound to succeed. 

Soldiers who always remain faithful to their nation, who are always prepared to sacrifice their lives, are invincible.

Be a yardstick of quality. Some people aren't used to an environment where excellence is expected.

As I would not be a slave, so I would not be a master. This expresses my idea of democracy.

Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.

What the statesman is most anxious to produce is a certain moral character in his fellow citizens, namely a disposition to virtue and the performance of virtuous actions.

A man is but the product of his thoughts what he thinks, he becomes.

Gray hairs are signs of wisdom if you hold your tongue, speak and they are but hairs, as in the young.

The purpose of our lives is to be happy.

The farther backward you can look, the farther forward you can see. 

Weakness of attitude becomes weakness of character.