Changdev Pasashti is a 65 Ovi (verse) philosophical letter written by Sant Sri Jnaneshwar Maharaj to Yogi Changdev in 1291 CE. It contains the distilled wisdom of the Upanishads and is regarded as one of the finest primers on Self-Realization. The letter is also considered as one of the crown jewels of Marathi literature. The book is a comprehensive treatise that contains a translation and contextualized commentary including the world's first ever biography of Yogi Changdev.