America has no permanent friends or enemies, only interests.
好的建筑必须能够吸收人类生活的痕迹。
The human mind is so complex and things are so tangled up with each other that, to explain a blade of grass, one would have to make a diagram of the universe.
Reflection on the past is the source of wisdom for the future.
No one had ever had such a friend, so affectionate,so loyal and so skillful.