When you get an invitation to do something in the future， ask yourself: would you accept this if it was scheduled for tomorrow？ Not too many promises will pass that immediacy filter.

在共和政府中，人人平等；在专制政府中，人人也平等：在前者中，因为他们是一切；在后者中，因为他们什么都不是。

You can accomplish anything if you put your mind to it.

A year spent in artificial intelligence is enough to make one believe in God.

天空没有留下鸟的痕迹，但我已飞过。

"Every city has a sex and an age which have nothing to do with demography."

人类的自由在其选择中被限制。