正是通过观察和反思的力量，人们才能找到方法。所以我们必须不断挖掘和钻研。

What we gain by experience is more real and more solid than what we gain by reasoning.

真正的教师是能够立即站在孩子立场上的人。

You can't have a better tomorrow if you're still thinking about yesterday.

We are what we pretend to be, so we must be careful about what we pretend to be.

应对一个不自由的世界的唯一方法，就是变得绝对自由，以至于你的存在本身就是一种反抗。