The ego promotes turmoil because it wants to substantiate your separateness from everyone, including God. It will push you in the direction of judgment and comparison, and cause you to insist on being right and best. You know your highest self by listening to the voice that only wants you to be at peace.
Manifest Your Destiny: The Nine Spiritual Principles for Getting Everything You Want (ed. Harper Collins, 2009) - ISBN: 9780061863370