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.

实现明天的唯一限制是我们今天的疑虑。

写作的行为是一种乐观的行为。如果你觉得它不重要，你就不会费心去做。

决定不做什么和决定做什么同样重要。

The dead are not powerless. Dead, did I say? There is no death, only a change of worlds.

Engineers are the ones who create the future. They’re the people who change the world.