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"Encountering the Extraordinary". Essay by Dietrich Bonhoeffer (1934), published in "Meditations on the Cross" edited by Manfred Weber and translated by Douglas W. Scott (p. 1), 1998.
Wayne W. Dyer (2009). “The Invisible Force: 365 Ways to Apply the Power of Intention to Your Life: Easyread Super Large 20pt Edition”, p.25, ReadHowYouWant.com