Study is to study what cannot be studied. Undertaking means undertaking what cannot be undertaken. Philosophizing is to philosophize about what cannot be philosophized about. Knowing that knowing is unknowable is true perfection.

Horses have hoofs to carry them over frost and snow; hair, to protect them from wind and cold. They eat grass and drink water, and fling up their heels.... Such is the real nature of horses.

The Tao has no place for pettiness, and nor has Virtue. Pettiness is dangerous to Virtue; pettiness is dangerous to the Tao. It is said, rectify yourself and be done.

Your preciousness lies in your essence; it cannot be lost by anything that happens.

The little child learns to speak, though it has no learned teachers - because it lives with those who know how to speak.

He who knows he is a fool is not the biggest fool; He who knows he is confused is not in the worst confusion.

Do not seek fame. Do not make plans. Do not be absorbed by activities. Do not think that you know. Be aware of all that is and dwell in the infinite. Wander where there is no path. Be all that heaven gave you, but act as though you have received nothing. Be empty, that is all.