解释:冬天不洗冰水,并不是吝惜冰;夏天不烤火,也不是舍不得火。而是因为这样做对身体不适宜。
The only thing we have to fear is fear itself.
即使世界改变,我也不会改变。
The most dangerous poison is the feeling of achievement. The antidote is to think like a beginner every morning.