Rewards and punishments are the lowest form of education.

Once Chuang Chou dreamt he was a butterfly, a butterfly flitting and fluttering around, happy with himself and doing as he pleased. He didn't know he was Chuang Chou. Suddenly he woke up and there he was, solid and unmistakeable Chuang Chou. But he didn't know if he was Chuang Chou who had dreamt he was a butterfly, or a butterfly dreaming he was Chuang Chou.

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

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.

Heaven is in everything: follow the light, hide in the cloudiness and begin in what is. Do this and your understanding will be like not understanding and your wisdom will be like not being wise. By not being wise you will become wise later.

Although things seem to be sometimes going up and sometimes descending, sometimes slipping away, nevertheless there is a reality, the same today as in the past. It does not change, for nothing can affect it. Could we not say it is one great harmony? So why shouldn't we ask about it.

Never admire a man by his strength; judge him in how he uses it- A way is made by walking it