【释义】天旱时准备船只,洪水时准备车辆,这是事物发展的规律。
我不能选择那最好的,是那最好的选择我。
The greatest wisdom is to know that you know nothing.
虚无是道的本体,因缘是道的作用。
The beauty of mathematics lies in its ability to reveal hidden symmetries and truths.