Be still. Apart from this the mind has no task to do or thought to think.
我不是因为快乐而歌唱,而是因为歌唱而快乐。
The improvement of the productive powers of labor, and the greater part of the skill, dexterity, and judgement with which it is anywhere directed or applied, seem to have been the effects of division of labor.
每一个数学定理都是一个等待被讲述的故事,一个等待被解开的谜团。
If a man will begin with certainties, he shall end in doubts; but if he will be content to begin with doubts, he shall end in certainties.