证明告诉我们该集中怀疑的地方。
A proof tells us where to concentrate our doubts.
The essence of cryptography is to allow communication in the presence of adversaries.
The best way to escape from a problem is to solve it.
A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between theories and the best mathematician can notice analogies between analogies.
Words are the bridges that connect the hearts of strangers.