You have to believe in yourself when no one else does.
The greatest human quest is to know what one must do in order to become a human being.
在数学中,最简单的解释往往是最深刻的。
释义:天地顺自然而动,所以日月运行不会有差错,四季的更替也不会有差错。圣人顺自然之理而动,则刑罚清明而百姓顺服。