人心如面 (Rén xīn rú miàn) (1) Literally, someone’s mind is like his appearance, no one is alike (2) Everyone is different Source: “Zuozhuan – Duke Xiang (襄公)’s 31st year” Zichan said: “People’s mind is akin to people’s appearance, no one is alike. How can I dare to presume that your appearance is like that of…