- Traditional Chinese Character(HanT):
人性論
- Simplified Chinese Character(HanS):
人性论
- Bopomofo(Mandarin Phonetic Symbols): ㄖㄣˊ ㄒㄧㄥˋ ㄌㄨㄣˋ (ㄖㄒㄌ)
- Bopomofo(Zhuyin Keyboard Input/IME): bp6vu/4xjp4
- (ASCII) Hanyu Pinyin: "renxinglun" "Ren2Xing4Lun4" "Ren2 Xing4 Lun4" (RXL)
- (Latin) Hànyǔ Pīnyīn: ErXìngLùn [ Er Xìng Lùn ]
- (英文翻譯) English Translation: "Theory of Human Nature"
- (西語翻譯) Traducción Español: "Teoría de la naturaleza humana"
- (日文翻譯) 日本語翻訳: "人間性理論"