“To educate a person in the mind but not in morals is to educate a menace to society.”

Nothing in the world is worth having or worth doing unless it means effort, pain, difficulty.

We are the heirs of the ages.

I put myself in the way of things happening, and they happened.

Believe you can and you’re halfway there.

It is not often that a man can make opportunities for himself. But he can put himself in such shape that when or if the opportunities come he is ready.

Do not let selfish men or greedy interests skin your country of its beauty, its riches or its romance.

Start where you are. Use what you have. Do what you can.

Politeness is a sign of dignity not subservience.

No man needs sympathy because he has to work, because he has a burden to carry. Far and away the best prize that life offers is the chance to work hard at work worth doing.

Women should have free access to every field of labor which they care to enter, and when their work is as valuable as that of a man it should be paid as highly.

People ask the difference between a leader and a boss. The leader works in the open, and the boss in covert. The leader leads, and the boss drives.

Order without liberty and liberty without order are equally destructive.

The things that will destroy America are prosperity at any price, peace at any price, safety first instead of duty first and love of soft living and the get-rich-quick theory of life.

Aggressive fighting for the right is the noblest sport the world affords.

Complaining about a problem without posing a solution is called whining.

All the resources we need are in the mind.

Keep a good head and always carry a light bulb.

If A denotes one of the two constant traits, for example, the dominating one, a the recessive, and the Aa the hybrid form in which both are united, then the expression: gives the series for the progeny of plants hybrid in a pair of differing traits.

Being a gentleman is a worthy goal.

Science moves with the spirit of an adventure characterized both by youthful arrogance and by the belief that the truth, once found, would be simple as well as pretty.

It is the genus that gives the characters, and not the characters that make the genus.

I regard writing not as an investigation of character but as an exercise in the use of language, and with this I am obsessed.

Any fool can fight a winning battle, but it needs character to fight a losing one, and that should inspire us; which reminds me that I dreamed the other night that I was being hanged, but was the life and soul of the party.

Few men realize that their life, the very essence of their character, their capabilities and their audacities, are only the expression of their belief in the safety of their surroundings.