No matter the nationality, no matter the religion, no matter the ethnic background, America brings out the best in people.

Aristotle could have avoided the mistake of thinking that women have fewer teeth than men, by the simple device of asking Mrs. Aristotle to keep her mouth open while he counted.

Aerodynamics is mathematics for those who haven't learned to do calculus. In my case, too, for one who hasn't learned to add or multiply, at least the first time.

No one can keep a secret better than a child.

The productivity of work is not the responsibility of the worker but of the manager.