To deny our evolutionary past is to deny our very selves.

变化不仅仅是生活的必要，它就是生活本身。

The beauty of biology lies in its complexity and the elegance of its solutions.

相对论不仅仅是一种科学理论；它是一种哲学理论。

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.

我们的正常之处，就在于自己懂得自己的不正常。