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

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

“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.”

“Few problems are less recognized, but more important than, the accelerating disappearance of the earth's biological resources. In pushing other species to extinction, humanity is busy sawing off the limb on which it is perched.”