Ignoring isn’t the same as ignorance, you have to work at it.

The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.

互联网是一种共享资源，需要集体责任。

The only limit to our realization of tomorrow is our doubts of today.