Paul R. Ehrlich

To err is human, but to really foul things up you need a computer.

The first rule of intelligent tinkering is to save all the parts.

I see harm reduction as a way of engaging people as part of that path to recovery.

The National Academy of Sciences would be unable to give a unanimous decision if asked whether the sun would rise tomorrow.

We're one of the most highly regulated industries, and we have to pay attention to what government is doing.