That compasses will not make a circle; it is the man.

That a bay horse and a dun cow are three; because taken separately they are two, and taken together they are one: two and one make three.

That a motherless colt never had a mother; when it had a mother, it was not motherless.

That if you take a stick a foot long and every day cut it in half, you will never come to the end of it.
Of what use, asked his great rival, is Hui Tzu to the world?
His efforts can only be compared with those of a gadfly or a mosquito.

He makes a noise to drown an echo.