一个值得追求的年度目标：充分学习一个领域，以至于你无法相信一年前有多么无知。

I believe in being strong when everything seems to be going wrong. I believe that happy girls are the prettiest girls. I believe that tomorrow is another day and I believe in miracles.

旅行的用途是用现实来调节想象力，而不是想象事情可能是怎样的，而是看到它们实际是怎样的。

A thermonuclear war cannot be considered a continuation of politics by other means (according to the formula of Clausewitz). It would be a means of universal suicide.

I’m focused on what I can control. I can’t control what people think or say about me.

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.