A picture is a representation, an illusion, a piece of magic, so what you see is not what you see.
一幅画是一种再现、一种幻觉、一种魔法,所以你所看到的并不是你所看到的。
Education: the path from cocky ignorance to miserable uncertainty.
一个问题的价值与其说在于得出答案,不如说在于它迫使潜在的解决者产生的想法和尝试的想法。