Samuelson, however, hedged his personal bets - by putting some of his own money in Berkshire Hathaway.

In The Tricky Art of Co-Existing, Sandi Toksvig navigates life's little dilemmas with wit and not-so-common sense. You'll learn the strange history of common courtesy and the one true secret of social success: how to not drive everyone around you crazy.

The best paradoxes raise questions about what kinds of contradictions can occur-what species of impossibilities are possible.

Paradox is thus a much deeper and universal concept than the ancients would have dreamed. Rather than an oddity, it is a mainstay of the philosophy of science.

A bit is worth 10,000 basis points.

The assumption that anything true is knowable is the grandfather of paradoxes.

Are there any mythical beasts which aren't simple pastiches of nature? Centaurs, minotaurs, unicorns, griffons, chimeras, sphinxes, manticores, and the like don't speak well for the human imagination. None is as novel as a kangaroo or starfish.