The power of mathematics comes from its ability to abstract and generalize, turning specific problems into universal truths.

No president who performs his duties faithfully and conscientiously can have any leisure.

Every perception is a symphony of the nervous system.

解析：教导学生，不到他想弄明白而不得的时候，不去开导他；不到他想出来却说不出来的时候，不去启发他。

每一个犯罪的根源，都是理解上的某种缺陷；或推理中的某种错误；或激情的某种突然力量。

国会议员对职位的热情非常强烈，即使不是绝对不名誉的。

所以,即使做很困难的事情,也一定能够达到目的,没听说过想达到自己的愿望,而能回避困难的。

始终使用止损单。

"A good book should leave you... slightly exhausted at the end. You live several lives while reading it."