Among the saintly scholars, Najm al-Din Kubra, founder of the Kubrawiyyah Order, began teaching in Khwarazm; a region in NW Uzbekistan, which, in the past, was part of the great Persian Empire, under the rule of Cyres, the Great. The Kubrawiyyah Order soon expanded its wings and spread its teachings to Persia, Afghanistan, India and China. The Kubrawiyyah, throughout their long history, produced masters of great stature who taught and produced numerous, elaborate writings and doctrines of the Sufis. In 540/1145, in Khwarazm, South of the Aral Sea, Abu'l-Jannab Najm al-Din ibn Umar al-Kubra was born. From a very young age, he displayed a surpassing intelligence. In school he received the nickname Kubra, which literally means "the greatest." It is the abbreviated form of the Koranic phrase al-tammat al-Kubra, "the Greatest Calamity" (LXXIX: 34, Holy Qur'an). After completing his studies in Islamic religious sciences, Najm al-Din left his birthplace to pursue studies in other lands. He went to Persia to study the science of the Hadith then onto Egypt. In his early thirties, his thirst for esoteric matters attracted him to the Suhrawardiyyah order, where he was initiated by Shaykh Ruzbihan al-Wazzan al-Misri. According to Sheikh Kubra's writings, it is known that he had at least one profoundly moving spiritual experience in his childhood. Some believe that Najm al-Din's direction in spirituality may have been greatly affected by Baba Faraj Tabrizi due to his impressive mannerisms and advice to pursue the esoteric sciences.
After a fruitful, spiritual life, Najm al-Din passed away in Urgench, near Khwarazm, in the year 618/1221, during the Mongol invasion. He was offered protection if he had accepted to take refuge with the Mongols; instead, he chose to fight and defend the City for it would result in a glorified martyr's death in battle.
5. Innvocation or recollection of Allah, using the formula La Ilaha Ill'Allah (zikr),
6. Heart to heart connection with his/her Sheikh at all times,
7. Impure thoughts and impulses are to be put aside as they occur,
8. Surrender him/herself to the will of Allah and never refuse or question what Allah has imposed upon him.