Complaining is a sign that someone isn’t willing to risk moving on a changeable situation, or won’t consider the immutable circumstance in his or her… - David Allen

Every now and then go away and have a little relaxation. To remain constantly at work will diminish your judgment. Go some distance away, because work will be in perspective and a lack of harmony is more readily seen. — Leonardo da Vinci

Uncaptured, unclarified, and therefore unmanaged things that you have agreed to do own a piece of you and give you no rest.

Wash me O Lord for my iniquity, and cleanse me from my sin. For I acknowledge my transgressions, and my sin is always before me. Against you, you only, have I sinned, and done this evil in your sight. That you may be found just when you speak, and blameless when you judge.