When you’re in a tough spot, remember why you started.

Men become old, but they never become good.

In the world of mathematics, every question leads to another, creating an endless web of knowledge that connects all areas of science.

以战争建立的帝国必须通过战争来维护自身。

如果我们了解别人的想法就会知道没有人是普通的，每个人都至少值得大家起来为他鼓一次掌。

The great thing about fiction is that it makes everything interesting.

你无法改变已经发生的事，所以专注于当下吧。