绘画很像下棋:你的思维总是跑在你最终要走的棋前面。
Drawing is rather like playing chess: your mind races ahead of the moves that you eventually make.
You can't let praise or criticism get to you. It's a weakness to get caught up in either one.
元素周期表是人类好奇心和创造力的证明。
数学的本质不仅在于解决问题,还在于提出正确的问题。