You will never get to the irreducible definition of anything because you will never be able to explain why you want to explain, and so on. The system will gobble itself up.
The public want actresses, because they think all actresses bad. They don't want music or poetry because they know that both are good. So actors and actresses thrive and poets and composers starve.
Count all th' advantage prosperous Vice attains,
'Tis but what Virtue flies from and disdains:
And grant the bad what happiness they would,
One they must want--which is, to pass for good.
Tsze-Kung asked, “Is there one word with which to act in accordance throughout a lifetime?” The Master said, “Is not reciprocity such a word? What you do not want done to yourself, do not do to others.