"Superstring theory has been studied intensively since 1984, when the discovery of Green and Schwarz of anomaly cancel…"

"... I am going to go out on a limb, and argue that"

"We shall never understand the natural environment until we see it not as just so much air, water, and real estate, bu…"

"The wilderness begins at the edge of my body, at the edge of my consciousness, and extends to the edge of the univers…"

"I had always been aware that the Universe is sad; everything in it, animate or inanimate, the wild creatures, the sto…"

"This is not a man who sits down to "write a poem"; rather, some burden of understanding and feeling, some need to kno…"

"Comin' in on a wing and a pray'r Comin' in on a wing and a pray'r Tho' there's one motor gone, We can still carry on,…"

"Rule 1 of cryptanalysis: check for plaintext."

"Never underestimate the attention, risk, money, and time that an opponent will put into reading traffic."

"It is easy to run a secure computer system. You merely have to disconnect all dial-up connections and permit only dir…"