The purity of the Sufi is due to his constant remembrance of God. The more he remembers God, the more he comes to know God; the more he comes to love God. This is why the act of polishing the mirror of the heart is the key to entering into a love-relationship with God...
The Sufi’s heart, in other words, is like white snow because of its purity, which it has attained through the remembrance of God. It is only a clarified heart that can help us perceive the true beauty and harmony of the universe....