To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
凡事都有困难应考虑周详，行动上要顾虑缺失，想一想自己的行为，都有许多差错。
Anything is possible. Don’t put limits on yourself.
谋划先于行动，就会繁荣昌盛；行动先于谋划，就会失败灭亡。点评：《中庸》曾言「凡事豫则立，不豫则废。」没有事先的计划和准备，做事情很难成功的。