语言有力量，但沉默可能更强大。
Words have power, but silence can be stronger.
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
If you're not failing, you're not trying hard enough.
The teacher's task is not to implant facts but to place the subject to be learned in front of the learner and, through sympathy, emotion, imagination, and patience, to awaken in the learner the restless drive for answers and insights which enlarge the personal life.
If you can imagine a society in which the computer- robot is the only menial, you can imagine anything.