Historically, the claim of consensus has been the first refuge of scoundrels; it is a way to avoid debate by claiming that the matter is already settled. Whenever you hear the consensus of scientists agrees on something or other, reach for your wallet, because you're being had. The greatest scientists in history are great precisely because they broke with the consensus.

Morality must keep up with technology because if a person is faced with the choice of being moral and dead or immoral and alive, they'll choose life everytime.

All your life people will tell you things. And most of the time, probably ninety-five percent of the time, what they'll tell you will be wrong.

Working inspires inspiration. Keep working. If you succeed, keep working. If you fail, keep working. If you are interested, keep working. If you are bored, keep working.

Nobody smart knows what they want to do until they get into their twenties or thirties.

The greatest challenge facing mankind is the challenge of distinguishing reality from fantasy, truth from propaganda. Perceiving the truth has always been a challenge to mankind, but in the information age (or as I think of it, the disinformation age) it takes on a special urgency and importance.

I can tell you that second hand smoke is not a health hazard to anyone and never was, and the EPA has always known it.