Self-belief does not necessarily ensure success, but self-disbelief assuredly spawns failure.
Albert BanduraSuch self-referent misgivings creates stress and undermine effective use of the competencies people possess by diverting attention from how best to proceed to concern over personal failings and possible mishaps
Albert BanduraPerceived self-efficacy in coping with potential threats leads people to approach such situations anxiously, and experience of disruptive arousal may further lower their sense of efficacy that they will be able to perform skillfully
Albert BanduraThe performances of others are often selected as standards for self-improvement of abilities
Albert Bandura