不过话得说回来，没有一桩事是容易的。

I think as technologists we should have some safe places where we can try out new things and figure out the effect on society.

The most hateful torment for men is to have knowledge of everything but power over nothing.

通过观察你的敌人恐吓你的手段，你可以发现他们最害怕什么。

Learning is not a matter of trial and error, but of insight.

人是生而自由的，但却无往不在枷锁之中。