故不尽知用兵之害者,则不能尽知用兵之利也。
翻译:所以不完全了解用兵的危害,就不能完全了解用兵的好处。
We are all born with a certain inheritance of time, and we must learn to spend it wisely.
预测未来的最好方法就是创造未来。
I must study politics and war that my sons may have liberty to study mathematics and philosophy.