The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

密码学的力量不仅在于保守秘密，还在于在数字世界中建立信任。

I have never made but one prayer to God， a very short one: 'O Lord， make my enemies ridiculous.' And God granted it.

Sometimes you have to lose yourself before you can find anything.

天才是癫痫类群的一种退化性精神病。

Start where you are, with what you have. Make something of it. Never be satisfied.