The challenge of modern cryptography is not just to protect information, but to do so in a way that is both efficient and scalable.
现代密码学的挑战不仅在于保护信息，而且在于以一种既高效又可扩展的方式来实现。
To talk about painting is not only difficult but perhaps pointless too.
You have to be willing to work harder than anyone else.
Success is not final, failure is not fatal: It is the courage to continue that counts.
The most important thing in communication is hearing what isn't said.