安全的关键是不信任任何人,包括你自己。
过去是一个谜,历史学家是试图将碎片拼凑在一起的人。
The greatest use of a life is to spend it for something that will outlast it.
数学不仅仅是一系列抽象概念的集合,而是一种让我们理解宇宙的语言。
"The challenge of biography is not just to record, but to illuminate."