变革在开始时最难,在中间最混乱,在结束时最好。
Change is hardest at the beginning, messiest in the middle, and best at the end.
棋盘是世界;棋子是宇宙万象;棋局规则便是我们所谓的自然法则。
The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.
在原子世界中,数学语言是唯一可以使用的语言。