The essence of cryptography is to allow communication in the presence of adversaries.
Success comes to those who work hard.
杰出成就的秘訣不是天賦，而是被稱為堅毅的激情與堅持的特殊結(jié)合。
【大意】古來圣哲不珍視直徑成尺的璧玉，卻珍重每一寸光陰，因為時間最是難得，卻最容易失去。
Never underestimate the power of the human spirit. It can overcome the most impossible odds.