All our knowledge has its origins in our perceptions.
Leonardo da Vinci
If you always do what you've always done, you'll always get what you've always got.
Henry Ford
You can’t build up a reputation on what you are going to do.
Henry Ford
The secret to success is constancy of purpose.
Benjamin Disraeli
If an engineer has not had some failures, it is merely evidence that his practice has not been sufficiently extensive.
Benjamin Baker
Many people are persistent in relation of the path they have taken, only few in concern of their goal.
Friedrich Nietzsche
The key to success is not information. It's people.
Lee Iacocca
The best executive is the one who has sense enough to pick good men to do what he wants done, and self-restraint to keep from meddling with them while they do it.
Theodore Roosevelt
Whether you think you can, or you think you can’t–you’re right.
Henry Ford
I hate vacations. If you can build buildings, why sit on the beach?
Philip Johnson
