The most ordinary lives can hold extraordinary stories.
科学不过是常识的极致——观察上严格精确，逻辑上对谬误毫不留情。
History is a nightmare from which I am trying to awake.
The problem is not that there are problems. The problem is expecting otherwise and thinking that having problems is a problem.
每件促使我们注意到他人的事，都能使我们更好地理解自己。
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.