要研究人性，可以考虑提出一个对人性的分析结构，这个结构大略划分出人性的主要因素，并揭示它们之间的相互联系乃至呈现一个总体样貌。但它也是一个形式的结构，或者说对各种实质性的解释和观点开放。研究人性的途径和方法可以考虑以事实为先，甚至先以经验为主，注重分析的方法。一些哲学抽象及形而上学的概括则应在观照事实的基础上谨慎进行，以不脱离或违背真实的人性。为了展示这种结构的应用方法，可以尝试对基本的“欲情知”三要素进行初步分析。

人性结构, 分析方法, 欲情知

To study human nature, we can consider proposing an analytical structure that roughly divides the main factors of human nature, which are interrelated and even present as a whole. But it is alsoa formal structure, or rather open to various substantive interpretations and viewpoints. The approach and methods for studying human nature can consider prioritizing facts or even experience, with a focus on analytical methods. Some philosophical abstractions and metaphysical generalizations should be made cautiously based on the observation of facts, so as not to deviate from or violate the true human nature. To demonstrate the application method of this structure, we can attempt a preliminary analysis of the three basic elements of “desire, emotion and knowledge”.