American society is a sort of flat, fresh-water pond which absorbs silently, without reaction, anything which is thrown into it.
As for America, it is the ideal fruit of all your youthful hopes and reforms. Everybody is fairly decent, respectable, domestic, bourgeois, middle-class, and tiresome. There is absolutely nothing to revile except that it's a bore.
A teacher affects eternity; he can never tell where his influence stops.