The range of derivatives contracts is limited only by the imagination of man (or sometimes, so it seems, madmen). Say you want to write a contract speculating on the number of twins to be born in Nebraska in 2020. No problem-at a price, you will easily find an obliging counterparty.
Warren BuffettWhen you build a bridge, you insist that it can carry 30,000 pounds, but you only drive 10,000-pound trucks across it. And that same principle works in investing.
Warren BuffettI would rather sustain the penalties resulting from over-conservatism than face the consequences of error, perhaps with permanent capital loss, resulting from the adoption of "New Era" philosophy where trees really do grow to the sky.
Warren Buffett