Every manuscript that has come down to us from the depths of centuries is not merely paper and ink, but a reflection of the intellect, heart, and spiritual world of an entire era. Created in the 15th century, Risalay-i Qudsiyya is one of such rare works, vividly revealing the early theoretical form of the Naqshbandiyya teaching and the harmony of thought, silence, and action in Sufism. Today, as this manuscript is exhibited at the Islamic Civilization Center in Uzbekistan, it invites not only scholars but everyone interested in spiritual heritage on an enlightening journey across centuries.