"The Now is also central to the teaching of Sufism, the mystical branch of Islam. Sufis have a saying: "The Sufi is the son of time present." And Rumi, the great poet and teacher of Sufism, declares: "Past and future veil God from our sight; burn up both of them with fire.

Eckhart Tolle

from The Power of Now: A Guide to Spiritual Enlightenment