There is only one thing in life which never changes, and it is change.

Never tire to study. And to teach to others

He who needs only coarse food, water and drink, and as pillow his folded arms will find happiness without further search.

What Heaven has conferred is called The Nature; an accordance with this nature is called The Path of duty; the regulation of this path is called Instruction. The path may not be left for an instant. If it could be left, it would not be the path.

The man who moves a mountain begins by carrying away small stones.

An angry man is full of poison.

The hardest thing of all is to find a black cat in a dark room, especially if there is no cat.