The eyes envy the mind.

When the heart is right, "for" and "against" are forgotten.

A battering ram can knock down a city wall, but it cannot stop a hole. Different things have different uses.

When people do not ignore what they should ignore, but ignore what they should not ignore, this is known as ignorance.

Tao is the source of both fullness and emptiness. But it is itself neither fullness nor emptiness.

The right way to go easy is to forget the right way.

He who pursues fame at the risk of losing his self is not a scholar.