Be honorable yourself if you wish to associate with honorable people.
There is nothing more dreadful than imagination without taste.
We thought, because we had power, we had wisdom.
Humor is the only test of gravity, and gravity of humor; for a subject which will not bear raillery is suspicious, and a jest which will not bear serious examination is false wit.
Do not weep; do not wax indignant. Understand.
The meeting of two personalities is like the contact of two chemical substances: if there is any reaction, both are transformed.
Nothing in the world can take the place of Persistence. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a proverb. Education will not; the world is full of educated derelicts. Persistence and determination alone are omnipotent. The slogan 'Press On' has solved and always will solve the problems of the human race.