"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." Meister Eckhart, the thirteenth-century spiritual teacher, summed it all up beautifully: "Time is what keeps the light from reaching us. There is no greater obstacle to God than time.
— Eckhart Tolle