Tsohon tunani fiye da kowane jam'iyya
Cin ganyayyaki ya bayyana a cikin rubuce-rubuce na farko na Hinduism, Jainism da Buddhism, fiye da shekaru 2,500 da suka wuce. Pythagoras da mabiyansa sun aikata shi a tsohuwar Girka. Al'adun kirista na zuhudu — Trappists, Carthusians, Seventh-day Adventists — sun dade suna guje wa nama saboda dalilai na ruhaniya da na ascetic. Tun kafin siyasa ta shirya zuwa jam'iyyu, mutane masu tunani a fadin al'adu sun kammala cewa cin dabbobi tambaya ce ta ɗabi'a da ya kamata a yi la'akari da ita.


