I stand up for what I believe in and I don’t back down.
The weight of evidence for an extraordinary claim must be proportioned to its strangeness.
The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.
It is one thing to show a man that he is in an error, and another to put him in possession of truth.
向一个人展示他在错误中是一回事，让他掌握真理是另一回事。