I am now physically incapable of doing any of the things I used to enjoy, but I don’t miss them.
The anarchic nature of the international system forces states to compete for power.
Success comes when preparation meets opportunity.
Every problem in mathematics is an opportunity to learn something new.
最大的风险是不冒任何风险。在一个快速变化的世界中,唯一注定失败的策略就是不冒险。
Life is not about waiting for the storm to pass, but learning to dance in the rain.