Tzava'at HaRivash Chapter 95
Can copy this into an AI, or connect the whole library to your assistant. For deeper learning, you can directly use the original seforim, sites, and apps.
צריך שתהי' עבודתו לצורך גבוה לבד ולא כוונת ד"א אפילו המעט מן המעט לא תהי' לכוונת עצמו רק לש"ש:
The Way of The Baal Shem Tov. Adapted into English by Rabbi Amiram Markel and Yehudah Shimon Markel, 2020
Another important principle: Your service of HaShemshould be only for the sake of HaShemabove and not for any other reason whatsoever, such as self-interest. Even the tiniest bit should not be for self-interest, but only for the sake of Heaven.