我宁愿保留我的坏习惯,也不愿被别人教导。
The first duty of the sovereign, that of protecting the society from the violence and invasion of other independent societies, can be performed only by means of a military force.
要真正理解宇宙,我们必须首先理解构成它的最小粒子。
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。