教育者的角色是赋予学生权力，使他们成为自己社区中的变革推动者。

历史进程是不连续的，重大变革往往是突然发生的，而不是渐进的。

当政治、教育与新闻都成了表演，真理就失去了舞台。

To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.

The power of abstraction is that it allows us to ignore details that are not relevant to the task at hand.

梦想家只能在月光下找到他的路，他的惩罚是比其他人更早看到黎明。