People always think they’re going to write a book. They think they’re going to write a book, and then they don’t.

Non-violence is the greatest force at the disposal of mankind.

理论的任务在于用更简单的东西替代待解释的现象，其中包含所发生事件的本质。

History is not the past. It is the present. We carry our history with us. We are our history.