You cannot teach a man anything, you can only help him to find it for himself.
Measure what is measurable, and make measurable what is not so.
你不可能教一个人任何知识, 因为你只能帮助他自己去找他想学的。
测量一切可测之物,并把不可测的变为可测。
一切真相一旦被发现后都变得通俗易懂,关键在于发现它们的过程。