"Throughout his last half-dozen books, for example, Arthur Koestler has been conducting a campaign against his own mis…"

"Our indirect methods have taught us a mountain of things about horses, but if you wished to learn even more, would yo…"

"Wallace's error on human intellect arose from the inadequacy of his rigid selectionism, not from a failure to apply i…"

"[In natural history,] great discovery often requires a map to a hidden mine filled with gems then easily gathered by …"

"I would trade all the advantages of humanity to be a fly on the wall when Franklin and Jefferson discussed liberty, L…"

"[A]s we discern a fine line between crank and genius, so also (and unfortunately) we must acknowledge an equally grad…"

"I am, somehow, less interested in the weight and convolutions of Einstein’s brain than in the near certainty that peo…"

"God bless all the precious little examples and all their cascading implications; without these gems, these tiny acorn…"

"But, as we consider the totality of similarly broad and fundamental aspects of life, we cannot defend division by two…"

"A hot topic of late, expressed most notably in 's best-selling books, has emphasized the role of positive attitude in…"