More than ambition, more than ability, it is rules that limit contribution; rules are the lowest common denominator of human behavior. They are a substitute for rational thought.

A child is being properly educated only when he is learning to become independent of his parents.

As a guide to engineering ethics, I should like to commend to you a liberal adaptation of the injunction contained in the oath of Hippocrates that the professional man do nothing that will harm his client.

When the men in Russia foul up, they are dismisses, sometimes losing their necks. But we protect those who fail and press them to the government bosom.

Success teaches us nothing; only failure teaches.

I have a son. I love my son. I want everything that I do to be so safe that I would be happy to have my son operating it. That's my fundamental rule.

In Greek mythology, Antaeus was a giant who was strong as long as he had contact with the earth. When he was lifted from the earth he lost strength. So it is with engineers. They must not become isolated from the real world...