The first sentence of your passage: "There is no art but one delivered to mankind that hath not the works of nature for his principal object."

你们篇子上的第一句话：，“只有一种艺术,当它传播到人间时,不带有自然的痕迹“

耶鲁公开课 - 文学理论导论课程节选

He says this story conveys the idea that, not a principal inherent in the cosmos.

他说故事中传达着这样一个观点，不是宇宙中所固有的。

耶鲁公开课 - 旧约导论课程节选

Self-amortizing means that you're not just paying the interest every year -or every month--you're paying interest plus principal.

分期偿还是指,每年或者每个月,你不仅偿还利息,还要偿还利息加上部分本金

耶鲁公开课 - 金融市场课程节选