Analysis of information sources in references of the Wikipedia article "Sufi giáo" in Vietnamese language version.
Sufism is the esoteric or inward dimension of Islam [...] Islamic esoterism is, however [...] not exhausted by Sufism [...] but the main manifestation and the most important and central crystallization of Islamic esotericism is to be found in Sufism.
Opposed to the dry casuistry of the lawyer-divines, the mystics nevertheless scrupulously observed the commands of the divine law. [...] the mystics belonged to all schools of Islamic law and theology of the times.
|author1= bị thiếu (trợ giúp)|author1= bị thiếu (trợ giúp) q.v. "Hanafi," "Hanbali," and "Maliki," and under "mysticism in..." for each.