A guide to training the ego, tuning the heart, and developing willpower. The Sufis consider the divine art of creating the human personality to be the fruit of the whole creation. The Art of Being and Becoming gathers Inayat Khanâ s teachings on this divine art and gives methods for training the ego, tuning the heart, and developing willpowerâ all to help one develop and perfect a natural way of being in the world.