An Autobiography by Theodore Roosevelt — Read

I suppose the United States will always be unready for war, and in consequence will always be exposed to great expense, and to the possibility of the gravest calamity, when the Nation goes to war. This is no new thing. Americans learn only from catastrophes and not from experience.

There would have been no war in 1812 if, in the previous decade, America, instead of announcing that "peace was her passion," instead of acting on the theory that unpreparedness averts war, had been willing to go to the expense of providing a fleet of a score of ships of the line. However, in that case, doubtless the very men who in the actual event deplored the loss of life and waste of capital which their own supineness had brought about would have loudly inveighed against the "excessive and improper cost of armaments"; so it all came to about the same thing in the end.