I'm a hopeless romantic.

白云谦卑地站在天边，晨光给它披上壮丽的光彩。

The test of a man or woman's breeding is how they behave in a quarrel.

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.

科学的进步不仅依赖于知识的积累，还需要有挑战未知的勇气。