Getting down to brass tacks, how in the Hell are you going to explain general American n- 'I' except genetically? It's disturbing, I know, but (more) non-committal conservatism is only dodging, after all, isn't it? Great simplifications are in store for us. … It seems to me that only now that is American linguistics becoming really interesting, at least in its ethnological bearings.

In a letter dated August 1, 1918