Listen to your customers more than you speak to them - they'll tell you exactly what you need to know.
Cryptography is about communication in the presence of adversaries.
这个世界充满了故事,但所有的故事都是一体的。
Circumstances rule men; men do not rule circumstances.
那些善于学习的人们,应当能够求得其学习的甚解,了解之所以这样的缘故,不应当只求得背诵文章,看看便可以了。