| 1 | Newton and Descartes were geniuses, but so too were Chinese scholars like Gu Yanwu (1613-82) and Dai Zhen (1724-77), who also spent lifetimes studying nature. | |
| 2 | Poetry of mourning for friends were Gu Yanwu's personal discourse, but they corresponded with his academic discourse. | |
| 3 | Go Yanwu, thinker of the end of the Ming Dynasty once called the replacement of his dynasty as "the subjugation of the country" and the moral depravity "the loss of the world". | |
| 4 | Huang-Zongxi was a thinker during the early Qing-Dynasty and the later Ming-Dynasty . | |
| 5 | It is an approach to understand Gu Yanwu's poetry using the poetics in Rizhilu to interpret his poetry of mourning for friends. |