Main Page | See live article | Alphabetical index Peace of mind is a colloquialism that refers to a state of being mentally or spiritually at peace, with enough knowledge and understanding to keep onself strong in the face of discord or stress. Having "peace of mind" or being "at peace" is considered to healthy —the opposite of being under stress or anxious. This article is a stub. You can help Wikipedia by fixing it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.