If you're afraid to fail then you're probably going to fail.

The past is a foreign country, but we are all its citizens.

To me， you are still nothing more than a little boy who is just like a hundred thousand other little boys。 And I have no need of you。 And you， on your part， have no need of me。 To you， I am nothing more than a fox like a hundred thousand other foxes。 But if you tame me， then we shall need each other。 To me， you will be unique in all the world。 To you， I shall be unique in all the world.

安全的基本原则是尽量减少你对其他组件的信任。