Rumi is perhaps the greatest mystical poet who ever lived, one of the greatest poets of the Persian language. He was able to express practically all aspects of the spiritual life and our existential situation in the world today as human beings in beautiful Persian poetry.
Seyyed Hossein NasrThe Quran mentions the story of Moses and Khidr [a prophet mentioned in the Quran who guided Moses on a revelatory journey], a famous story, in which Moses represents sort of the external understanding of the religion and Khidr represents the inner spiritual understanding of the religion. Moses went on a journey with Khidr and Khidr said, "I will not accept you unless you stop questioning things," which from an external point of view seems strange, but inwardly is very meaningful. This is exactly the question of spiritual guidance.
Seyyed Hossein NasrIn the same way that we have a body and a soul and a spirit, our soul can't walk in the street without our body - we would be dead then. Religion is the same way; it has to have a body, it has to have a form, it has to have structure. Without that, the soul cannot be prepared to follow the tariqah.
Seyyed Hossein Nasr