摆脱困境的最好办法是直面它。
The best way to get out of a situation is to face it head on.
在数学中，发现的旅程和目的地一样重要。
学习Lisp是值得的，因为当你最终理解它时，你将获得深刻的启蒙体验；这种体验将使你在余下的日子里成为一个更好的程序员，即使你实际上并不经常使用Lisp本身。
不登上高山，就不知道天是多么高远；不亲临深溪，就不知道地是多么深厚。
In mathematics, truth is somewhere out there in a place we don’t yet know, and the only way we can hope to find it is by exploring.
The community is a fictitious body， composed of the individual persons who are considered as constituting as it were its members.
晏子春秋
