You don't have to be able to lay eggs to know when one of them is rotten.

Isn't it sad that you can tell people that the ozone layer is being depleted, the forests are being cut down, the deserts are advancing steadily, that the greenhouse effect will raise the sea level 200 feet, that overpopulation is choking us, that pollution is killing us, that nuclear war may destroy us - and they yawn and settle back for a comfortable nap. But tell them that the Martians are landing, and they scream and run.

Fifty years," I hackneyed, "is a long time." "Not when you're looking back at them," she said. "You wonder how they vanished so quickly.

Properly read, the Bible is the most potent force for atheism ever conceived.

The first step in making rabbit stew is catching the rabbit.

Experimentation is the least arrogant method of gaining knowledge. The experimenter humbly asks a question of nature.

There is a cult of ignorance in the United States, and there has always been. The strain of anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that "my ignorance is just as good as your knowledge."