"Curiosity, which may or may not eventuate in something useful, is probably the outstanding characteristic of modern t…"

"universe, at first chemical riddles, in later periods, physical riddles. As far as he cared, the question of utility …"

"In the face of the history of the human race what can be more silly or ridiculous than likes or dislikes founded upon…"

"A poem, a symphony, a painting, a mathematical truth, a new scientific fact, all bear in themselves all the justifica…"

"Science, like the Mississippi, begins in a tiny rivulet in the distant forest. Gradually other streams swell its volu…"

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

"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…"