To know everything is to know nothing, but to know nothing is to know everything.

He who sling mud, lose ground.

The parents age must be remembered, both for joy and anxiety.

Knowledge is merely brilliance in organization of ideas and not wisdom. The truly wise person goes beyond knowledge.

The superior man does not mind being in office; all he minds about is whether he has qualities that entitle him to office. He does not mind failing to get recognition; he is too busy doing the things that entitle him to recognition.

The great mountain must collapse, the mighty beam must break and the wise man wither like a plant.

The superior man limits his achievements.