密码学的本质是允许在存在对手的情况下进行通信。
The essence of cryptography is to allow communication in the presence of adversaries.
〈军人精神教育〉，在桂林对滇赣粤军的演说，1921年12月10日
我不完美，但我就是我。
The only real prison is fear, and the only real freedom is freedom from fear.
Successful people maintain a positive focus in life no matter what is going on around them. They stay focused on their past successes rather than their past failures, and on the next action steps they need to take to get them closer to the fulfillment of their goals rather than all the other distractions that life presents to them.
银行家的价值不在于管理多少资产，而在于创造多少社会价值。