If you're not failing every now and again, it's a sign you're not doing anything very innovative.

自由不仅仅意味着摆脱自身的枷锁，还意味着以一种尊重并增加他人自由的方式生活。

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.