質問: 主語は何でしょうか? not only on account of the uncertainty of this means of livelihood especially if the writer has a conscience,and will not consent to serve any opinions except his own;but also because the writings by which one can live,are not the writings which themselves live,and are never those in which the writer does his best. この文の構造が良くわからずone can live,の後のareの主語はなんでしょうか?それがわからずthemselves live,and areのareの主語もわかりません・・・ よろしくおねがいします。
回答: not only on account of the uncertainty of this means of livelihood especially the writer has a conscience, and will not consent to serve any opinion except his own; この生計の手段が不安定である(筆者に良心があって、自分自身のものではない意見を書くことを拒否する場合には特に不安定であるが)という理由だけではない。 but also because the writings by which one can live, are not the writings which themselves live and are never those in which the writer does his best. 生計の手段となりうるような著作は、それ自体が生きていく著作ではないし、作家の能力が最も良く発揮されるような著作では決してないという理由もある。 the writings by which one can live 生計の手段となりうる著作(=それで飯が食える著作)は (この部分が主語) are not the writings which themselves live それ自体が生きる(=すぐに忘れ去られるのではなく、永続的な命を持つ)著作ではない (ここは述部その1:svcのvcに当る) and are never those in which the writer does his best. そして、作家がもっとも得意とする著作(=作家の能力が最も発揮されるような著作)ではない (ここは述部その2:svcのvcに当る)