There are still many causes worth sacrificing for, so much history yet to be made.
还有许多东西是值得牺牲的,还有这么多的历史等着我们去创造。
"The gladdest moment in human life, methinks, is a departure into unknown lands."
The human spirit is stronger than anything that can happen to it.
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.