It is clear that the decline of a language must ultimately have political and economic causes: it is not due simply to the bad influence of this or that individual writer. ... If one gets rid of these habits one can think more clearly, an to think clearly is a necessary first step towards political renewal: so that the fight against bad English is not frivolous and is not the exclusive concern of professional writers.
――英文和訳演習 中級篇 伊藤和夫 駿台文庫