The goal of cryptography is to make it so that the cost of breaking the system exceeds the value of the information protected.
人生在世，贵在勤劳。勤劳就不会贫乏。
战争是一种精神现象。
Success in business requires training and discipline and hard work. But if you're not frightened by these things, the opportunities are just as great today as they ever were.
You have to be fearless in the pursuit of what sets your soul on fire.