The speech we hear is an indication of that which we don't hear. It is a necessary avoidance, a violent, sly, anguished or mocking smokescreen which keeps the other in its place.

I like to buy stocks that are out of favor. If a stock is in favor, it's probably overpriced.

智者从敌人那里学到的比愚者从朋友那里学到的还要多。