Baduy people language are similar to the general Sundanese people population. One of the differences is their beliefs and lifestyle. The Kanekes people isolate themselves from the outside world influences and strictly preserve their traditional lifestyle, while the Sundanese people are much more open to outside influences and majority of them embraces Islam. Generally, the Baduy are divided into three groups, namely "Tangtu", "Panamping" and "Dangka". The community of villages in which they live are considered "mandalas", derived from the Hindu/Buddhist concept but referring in the Indonesian context to places where religion is the central aspect of life. The first group, "Tangtu"
Indonesian philosophy reflections…which are bound in" adat "as well as ethnic culture" (Parmono 1985:iii). Sumardjo wrote that the "philosophy of Indonesian people has never been conceived of. Their philosophical conceptions must be sought after and found out of what they have done. " He added, "Indonesian philosophy lies in their daily-life behavior and factual result of their activities. The philosophy of Indonesian people lies within their "pepatah-petitih, adat "houses", adat "ceremonies and rites, old myths, in their dress ornaments, their dances, the music they play, in their weapons, their social system, and so on" (Sumardjo 2003:113). The writers above understand Indonesian philosophy