But he studied development of the individual child because he was convinced that this development will tell him about the development of knowledge more generally.

但是,由于他深信,个体儿童的发展,能够表现出认识发展的一般规律,所以他才选择去研究个体儿童的发展

耶鲁公开课 - 心理学导论课程节选

He was very interested in saying, "Look. We'll figure how a kid develops and that will tell us about the development of knowledge more generally."

他常说,"只要能够理解儿童如何发展,就能够理解认识发展的一般规律"

耶鲁公开课 - 心理学导论课程节选

He started off because he was interested in the emergence of knowledge in general.

而是出于,他对认识产生的一般规律的兴趣

耶鲁公开课 - 心理学导论课程节选