因此可以知道,天是希望人们互相关爱、互相帮助,而不希望人们互相憎恶、互相残害的。 
A proof tells us where to concentrate our doubts.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
我写作是为了理解这个世界,给它一个形状,一个形式。
I don't know anyone who needs a strap-on more than me.