For example there's Yang Hsiung's special critique of history, Commentaries, Wang Fu-chih's On the Reading of the Comprehensive Mirror, or writers like Liang Chi-chao; if Po feels they are sufficient to understand the history of the period in question, all of them are given attention.
譬如揚雄的《法言》、王夫之的《讀通鑑論》及梁啟超等的著作，只要他認為足以加強瞭解當時歷史的部分，都加以譯注。抱持懷疑精神