每一个词都是一个世界。

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.

两句以“谦恭但不失尊严，迁就但不失正直”，告诫人们为人处世要不卑不亢，能迁就忍让又坚持原则。

过去是一个异国他乡；他们在那里行事不同。

"We are entering an era where quantum phenomena will become engineering tools."

思想是行动的仆人，而行动是生存的仆人。