86 CARNOT. 



national independence. In every thing, however, mod- 

 eration is requisite. Does not economy when pushed 

 to the extreme become hideous avarice ? Does not 

 pride degenerate into vanity ; politeness into affectation ; 

 freedom into rudeness? It is by weighing in exact 

 scales the good and the evil resulting from all human ' 

 inventions, that we keep the path of true wisdom. It is 

 thus that, despite the sovereignty of example and habit, 

 despite the influence, generally so powerful, of uniform, 

 the officer of engineers, Carnot, always studied important 

 problems of fortification. 



In 1788, some French officers, enthusiastic to delirium 

 respecting Frederic the Great's campaigns, loudly pro- 

 claim the entire inutility of fortresses. Government 

 seems to accede to this strange opinion ; it does not yet 

 order the demolition of those ancient and glorious walls ; 

 but it allows them to fall of themselves. Carnot with- 

 stands the general bias, and sends a memoir to M. de 

 Brienne, Minister of War, in which the question is 

 examined in .all its phases with a boldness of thought, 

 an ardour of patriotism so much the more worthy of 

 remark, because such examples had then become very 

 rare. It shows that in a defensive war, the only sort 

 that he advises, the only one that he thinks legitimate, 

 our northern fortresses might be regarded as equal to 

 the aid of a hundred thousand men of the regular army ; 

 that a kingdom surrounded by rival nations is always in 

 a precarious state when it has troops only without for- 

 tresses. Then, entering on the financial question, Car- 

 not affirms (this result I arn sure will astonish my audi- 

 ence, as it astonished me also), Carnot repeatedly affirms, 

 that far from being a gulf into which the treasures of the 

 state were continually being lavished, the numerous for- 



