Right is not right; so is not so. If right were really right it would differ so clearly from not right that there would be no need for argument. If so were really so, it would differ so clearly from not so that there would be no need for argument.
ZhuangziThe Tao has no place for pettiness, and nor has Virtue. Pettiness is dangerous to Virtue; pettiness is dangerous to the Tao. It is said, rectify yourself and be done.
ZhuangziThe man who has some respect for his person keeps his carcass out of sight, hides himself as perfectly as he can.
ZhuangziStudy 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.
Zhuangzi