Live as though you intend to live forever，and work as though your strength were limitless.

These walls are funny.First you hate them,then you get used to them;Enough time passes,gets so you depend on them.That's institutionalized.

"Never stop learning. The world is always changing, and you must change with it."

音乐是情感的速记。

Cryptography is about communication in the presence of adversaries.

The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil, no good, nothing but blind, pitiless indifference.