Greed for enlightenment and immortality is no different than greed for material wealth. It is self-centered and dualistic, and thus an obstacle to true attainment. Therefore these states are never achieved by those who covet them; rather, they are the reward of the virtuous.

When men lack a sense of awe, there will be disaster.

Knowing others is to be clever. Knowing yourself is to be enlightened. Overcoming others requires force. Overcoming yourself requires strength.

An ant on the move does more than a dozing ox.

Not valuing wealth prevents theft.

What's the difference between beautiful and ugly?

He does not struggle with anyone - thus no one can vanquish him.