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

Heaven is like an egg, and the earth is like the yolk of the egg.

To be constant is to be useful. To be useful is to realize one's true nature. Realization of one's true nature is happiness. When one reaches happiness, one is close to perfection.

The perfect man uses his mind as a mirror. It grasps nothing. It regrets nothing. It receives but does not keep.

When you're dreaming, you don't know it's a dream. You might even interpret a dream in your dream - and then wake up and realize it was all a dream. Perhaps a great awakening will reveal this to be a dream as well.

Big? Sure. But, he can't catch mice! So for your big tree. No use? Then plant it in the wasteland - in emptiness. Walk idly around it and rest under it's shadow. No axe or saw prepares its end. No one will ever cut it down. Useless? You should worry!.

You cannot speak of ocean to a well-frog, the creature of a narrower sphere. You cannot speak of ice to a summer insect, the creature of a season.