A man is great by deeds, not by birth.

Great men are like eagles, and build their nest on some lofty solitude.

There is no marvel in a woman learning to speak, but there would be in teaching her to hold her tongue.

A man is not rightly conditioned until he is a happy, healthy, and prosperous being; and happiness, health, and prosperity are the result of a harmonious adjustment of the inner with the outer of the man with his surroundings.

Take away paradox from the thinker and you have a professor.

Men are anxious to improve their circumstances, but are unwilling to improve themselves; they therefore remain bound.

The greatest attitude of all is gratitude.

Our true nationality is mankind.

That man is the noblest creature may also be inferred from the fact that no other creature has yet contested this claim.

One can choose to go back toward safety or forward toward growth. Growth must be chosen again and again; fear must be overcome again and again.

He who makes a beast of himself gets rid of the pain of being a man.

Every man takes the limits of his own field of vision for the limits of the world.

It is no measure of health to be well adjusted to a profoundly sick society.

People are more difficult to work with than machines. And when you break a person, he can't be fixed.

He that wrestles with us strengthens our nerves and sharpens our skill. Our antagonist is our helper.

Great minds discuss ideas. Average minds discuss events. Small minds discuss people.

There are four million different kinds of animals and plants in the world. That’s four million solutions to the problem of staying alive.

Ninety-nine percent of who you are is invisible and untouchable.

You climb to reach the summit, but once there, discover that all roads lead down.

Sometimes our light goes out, but is blown again into instant flame by an encounter with another human being.

A person is a person because he recognizes others as persons.