There is no religion in the world where there is a possibility of spiritual development outside of the context of that religion. This is only a modern invention. For example, Christian mystics were also Christians. They also went to Church and followed Christian laws. Hindu mystics were practicing Hindus; they didn't kill cows and have steak. They follow the Hindu laws and so on and so forth down the line and Sufism is no exception.
Look at Senegal, about 90% of the Muslims in Senegal are Tijani or Qadiri Sufis. Among them, they have very great teachers who have written poems about al-Hallaj, and they have not been killed. In fact, it's Sufism that brought Islam through all of Senegal, right under our noses the last couple of centuries. And you can go down the same line through Indonesia and Malaysia.
Without Sufism, Islam would not have spread into two thirds of what we call the Islamic world.
Sufis have always been those that have tried to purify the ethics of Islam and society. And they don't have their hands cut off from the external action at all. For example, the bazaar in which the Sufis were very strong always dominated economic life in Islamic world. They could give a much more sane and Islamic form of activity when the economic life of Islam moved out of the bazaar to new parts of Islamic cities with modernized Muslims, who took it in another light and it became very, very anti Islamic, and much against many of the most profound practices of Islamic societies.
Sufism has always had the function of purifying Islamic ethics and that fasting and tazkiya is like lighting a lamp.
Jalaluddin Rumi is completely rooted in Islamic teachings of Quran. He was a great scholar, he belonged to a madrassa, and he knew Islamic theology and jurisprudence very well. He knew Persian, Arabic and Turkish, which was coming into Anatolia at that time, very well. He was a remarkable, remarkable scholar, besides being a great saint.
The Prophet, peace be on him, presents all the possibilities of the human state in perfection. Now, a part of that of course is love of God.
In fact, the machine doesn't have the consciousness we have, the free will that we have, and to surrender one's free will, not in every matter but in spiritual matters, to a spiritual teacher is in a sense a lower level of surrendering one's will to God.
300 years after the rise of Islam there were Zoroastrians in Iran. The Muslim armies never forced people to accept Islam. It was only within Arabia that God ordered the idolaters to have a choice of either embracing Islam or fight against Muslims, because He wanted to remove this terrible idolatry that exited there. But outside Arabia where Islam met Christians, Jews, Zoroastrians and Hindus, they were given a choice by and large. That's why many Christians and Jewish communities survived in the Muslim world, but gradually many of them embraced Islam for different reasons.
Muhammad sets the model for being a good statesman. He also sets the model for being a good warrior, for chivalry, of nobility, of all the things which the Quran and Hadith [The recorded collections of the sayings and traditions of the Prophet] says of treating your enemy with dignity and kindness.
There are millions and millions of Sufis who have existed in Islamic history and have the deepest impact on every aspect of Islamic culture and civilization to philosophy to art to science to social structure to economics who have not met the destiny of al-Hallaj.
If you want to make a decision in life on what to do, but if you're trying systematically, through spiritual practice, through meditation, through the invocation of the name of God, to walk closer and closer in this life to Him, you need someone to guide you. And God has made it possible in Islam for this guidance to exist.
The Prophet was taken by the order of God to heaven, which is a prototype of all spiritual realization in Islam. But, he had a guide; Gabriel, the angel, was his guide. He took him to heaven.
The Shariah has many other functions but also protects the tarqiah; it protects the spiritual path.
Tariqah [The Spiritual Path] without the Sharia [Islamic Law] is like having a pistachio tree without the shell. Or a walnut, a walnut cannot grow on a tree without having a shell, and the food that you eat is inside the shell.
When one talks about being like a dead corpse in the hands of a spiritual teacher it means being able to surrender one's will, specially one's nafs al ammarah, that is a part of our soul which is again a Quranic term, which commands us to evil - we must surrender that. That's what it means. It doesn't make you become part of a cog of a machine.
The Islamic world doesn't stop in the Arab world or Persia. There is the whole Turkic world, the Central Asian world, South Asian world, Southeast Asian world, and African world.
If you have a billion Muslims, 900 million of them were not brought into Islam by any kind of invasion, but most of them through the Sufis, because human beings are such that they are affected by people of spiritual character. Certainly when they display nobility and hospitality and gentility and love and are not selfish or aggressive, and they are honest.