释义：当运气不好的时候，即便是金子也会失去光辉；而好运来临时，即使是铁也会显得光彩夺目。
个人的就是历史的。
The organism learns not only what to do but also what leads to what.
The characters I paint are not children, they have a rebellious spirit.
Failure is instructive. The person who really thinks learns quite as much from his failures as from his successes.