元素是自然的字母表，而我们正在学习阅读。

I believe that the testing of the student's achievements in order to see if he meets some criterion held by the teacher, is directly contrary to the implications of therapy for significant learning.

技术应该为人类服务，而不是反过来。

在一个国家中，一个公民的自由是对另一个公民自由的威胁。

Force has no place where there is need of skill.

存在两种可能性：要么我们在宇宙中是孤独的，要么不是。两者都同样可怕。