In the rich Islamic mystical tradition, Rûmî is one of the most luminous figures. He is one of the mystics who revealed with great poetical intensity the themes of love and of the unity of the human being with the always greater mystery of God. The aim of this article is to situate him in the Sufi tradition and synthetically to introduce some traces of his mystical thought: the passion for unity, the trajectory to unity, the evidence of God and the religion of love