
The recipe for perpetual ignorance is: be satisfied with your opinions and content with your knowledge.
The secret of success is this: there is no secret of success.
Folks who never do any more than they are paid for, never get paid for any more than they do.
One machine can do the work of fifty ordinary men. No machine can do the work of one extraordinary man.
To avoid criticism, do nothing, say nothing, be nothing.
If you can’t answer a man’s argument, all is not lost; you can still call him vile names.
An idea that is not dangerous is unworthy to be called an idea at all.
A man is as good as he has to be, and a woman as bad as she dares.
I would rather be able to appreciate things I can not have than to have things I am not able to appreciate.
Don’t take life too seriously; you’ll never get out of it alive.
If you want work well done, select a busy man; the other kind has no time.
Everything comes too late for those who only wait.
Genius may have its limitations, but stupidity is not thus handicapped.
Thoroughness characterizes all successful men. Genius is the art of taking infinite pains. All great achievement has been characterized by extreme care, infinite painstaking, even to the minutest detail.
God will not look you over for medals, degrees or diplomas, but for scars.
The world is moving so fast now-a-days that the man who says it can't be done is generally interrupted by someone doing it.
Many a man’s reputation would not know his character if they met on the street.
Life is just one damned thing after another.