Not to understand is profound; to understand is shallow. Not to understand is to be on the inside; to understand is to be on the outside.

Your life has a limit, but knowledge has none. If you use what is limited to pursue what has no limit, you will be in danger.

You can't discuss the ocean with a well frog - he's limited by the space he lives in. You can't discuss ice with a summer insect - he's bound to a single season.

In the world everyone knows enough to pursue what he does not know, but no one knows enough to pursue what he already knows. Everyone knows enough to condemn what he takes to be no good, but no one knows enough to condemn what he has already taken to be good.

Suppose I try saying something. What way do I have of knowing that if I say I know something I don't really not know it? Or what way do I have of knowing that if I say I don't know something I don't really in fact know it?

For all people strive to grasp what they do not know, while none strive to grasp what they already know; and all strive to discredit what they do not excel in, while none strive to discredit what they do excel in. This is why there is chaos.

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.