The smart way to keep people passive and obedient is to strictly limit the spectrum of acceptable opinion, but allow very lively debate within that spectrum.

The world has nothing to fear from military ambition in our Government.

If my doctor told me I had only six minutes to live, I wouldn’t brood. I’d type a little faster.

DNA的结构是一个需要解决的谜题。

最好的想法总是在你不刻意追求时出现。