Every man hath the right to doubt his task, and to forsake it from time to time; but what he must not do is forget it. Whoever doubteth not himself is unworthy -for in his unquestioning belief in his ability, he commiteth the sin of pride. Blessed are they who go through moments of indecision.
They say that extroverts are unhappier than introverts and have to compensate for this by constantly proving to themselves how happy and contented and at ease with life they are.