Conflict is the gadfly of thought. It stirs us to observation and memory. It instigates to invention. It shocks us out of sheeplike passivity, and sets us at noting and contriving.

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

认知偏见就像思想上的视觉错觉；它们欺骗我们，让我们看到的世界不是它本来的样子，而是我们期望或希望的样子。