如果你想成为最好的，你必须做别人不愿意做的事。

过去从未死去，它甚至不是过去。

The jaws of power are always open to devour, and her arm is always stretched out, if possible, to destroy the freedom of thinking, speaking, and writing.

"Un libro es una conversación íntima entre el autor y el lector a través del tiempo."

A man knows when he is growing old because he begins to look like his father.

相关性和因果关系之间的区别在实证工作中是根本性的。