Teachings on ethics ( akhlak ), repentance ( tobat ), and the importance of scientific knowledge.
Cariosna: "Saha waé anu diajar élmu agama lain lantaran ridho Allah, tapi ngan saukur hayang meunang pangkat atawa kamega di dunya, mangka manehna moal ngarasakeun seungitna surga di poé kiamat." Teachings on ethics ( akhlak ), repentance (