To know that you do not know is the best. To pretend to know when you do not know is a disease.
A climb of eight hundred feet starts where the foot stands.
Better stop short than fill to the brim. Oversharpen the blade, and the edge will soon blunt. Amass a store of gold and jade, and no one can protect it.
It is fitting for a great nation to yield.
The wise man puts himself last and finds himself first.
To lead, one must follow.