Don't watch the clock; do what it does. Keep going.
我是一个偶尔喝酒的人,那种出去喝杯啤酒然后在新加坡醒来时满脸胡须的人。
Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.
思考你的未来的最佳时机就是现在。