To err is human; to forgive people and yourself for poor behavior is to be sensible and realistic.
Albert EllisPeople are terrified of other people or difficult projects because they tell themselves that they could fail or be rejected. Failure can lead to sorrow, regret, frustration and annoyance - all healthy, negative feelings without which people couldn't exist. But then they add, "I absolutely must succeed and must be loved by significant persons, and if I don't, it's terrible and I'm no good." Those are irrational beliefs. As long as people keep them, they'll be terrified of life and will put themselves down when they get rejected.
Albert EllisThe great majority of the things we now make ourselves panicked about are self-created 'dangers' that exist almost entirely in our own imaginations.
Albert EllisAttempts to help humans eliminate all self-ratings and views self-esteem as a self-defeating concept that encourages them to make conditional evaluations of self. Instead, it teaches people unconditional self-acceptance.
Albert Ellis