当每一分钱都要精打细算，犯错的空间就消失了。

"In the end, we will remember not the words of our enemies, but the silence of our friends."

Beyond all manner of so much I love you.

The condition of man... is a condition of war of everyone against everyone.

Your time is limited, don't waste it living someone else's life. Don't be trapped by dogma, which is living with the results of other people's thinking. Don't let the noise of others' opinions drown out your own inner voice. And most important, have the courage to follow your heart and intuition. They somehow already know what you truly want to become. Everything else is secondary.

有两种可能的结果：如果结果证实了假设，那么你做了一个测量。如果结果与假设相反，那么你有了一个发现。

凡是圣人制造的这些东西,无一不是有益于实用才去做的,所以使用财物不浪费,民众能够不劳苦,他兴起的利益太多了。