I'm not a person who likes to be at the bottom.

建筑师最强大的工具是橡皮擦。

筹划洋人的事情一定要先了解洋人的情况，要了解洋人的情况一定知道洋人的情况。

译文：人情世故就像流水一样有高下之别，世事就像白云一样卷起展开，变化无常。赏析：我们在社会上立足，总会遇到这样或那样的糟心事和烦心人，但和生命健康比起来，这些不算什么。世事无常，人情淡薄，我们顺其自然即可。

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.

The essence of mathematics lies in its freedom.