The pain of hard work is temporary, but the regret of not trying lasts forever.
The most profound ideas in mathematics often arise from the simplest observations.
解释:割地给秦国(来求得暂时的安稳),就好像抱着木柴救火一样,木柴烧不不完,火就不会灭。
No need to hurry. No need to sparkle. No need to be anybody but oneself.