The history of a science is the history of its problematics.
一门科学的历史就是它的问题域的历史。
山越高,山谷就越深,向下看陡峭的山谷阴森森的
过去是一个无处不在的阴影。
如果你没有失败,说明你不够努力。
Light is the key to understanding the world.
The most important room in the house is the one you're in.