"Humans — who enslave, castrate, experiment on, and fillet other animals — have had an understandable penchant for pre…"

"The idea that God is an oversized white male with a flowing beard who sits in the sky and tallies the fall of every s…"

"We live in a society absolutely dependent on science and technology and yet have cleverly arranged things so that alm…"

"It is important to distinguish between the amount of information and the quality of that information."

"There is a place with four suns in the sky — red, white, blue, and yellow; two of them are so close together that the…"

"It is easy to create an interstellar radio message which can be recognized as emanating unambiguously from intelligen…"

"Imagine, a room, awash in gasoline. And there are two implacable enemies in that room. One of them has 9,000 matches.…"

"It seems to me what is called for is an exquisite balance between two conflicting needs: the most skeptical scrutiny …"

"In science it often happens that scientists say, "You know that's a really good argument; my position is mistaken," a…"

"In fact, the thickness of the Earth's atmosphere, compared with the size of the Earth, is in about the same ratio as …"