The mental stance of being constantly alert and watchful, especially for threat. Vigilance only occurs within the split mind, in which each half is a threat to the other. 1. "The ego exerts maximal vigilance about what it permits into awareness…" (T-4.V.1:3). Now we currently exercise vigilance on the ego's behalf. 2. The Holy Spirit also exerts maximal vigilance, and we must learn to be vigilant on His behalf. We must learn to be alert to all temptation to think with the ego (see response to temptation) and to allow into our minds only what God put there. Then we will go beyond the split mind and thus beyond vigilance. See T-6.V(C), T-7.VI.