So act that anything you do may become universal law.
In all judgements by which we describe anything as beautiful, we allow no one to be of another opinion.
Act only according to that maxim whereby you can at the same time will that it should become a universal law.
You only know me as you see me, not as I actually am
It is precisely in knowing its limits that philosophy consists.
How then is perfection to be sought? Wherein lies our hope? In education, and in nothing else.