默记所学的东西，坚持学习而不厌烦，教诲别人不知疲倦。
真相不在言语中，而在它们之间的空白里。
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。
The only thing you sometimes have control over is perspective. You don't have control over your situation. But you have a choice about how you view it.
The only thing that stands between a person and what they want in life is the will to try it and the faith to believe it’s possible.