历史学家必须怀有一种信念：人类不会也不能灭亡。
The historian must have a kind of faith that humanity will not and cannot perish.
You don’t have to be the best, you just have to try your best.
应对不自由世界的唯一方法就是变得如此绝对自由，以至于你的存在本身就是一种反叛。
What information consumes is rather obvious: it consumes the attention of its recipients. Hence a wealth of information creates a poverty of attention.