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 BanduraAs a general rule, moderate levels of arousal facilitate deployment of skills, whereas high arousal disrupts it. This is especially true of complex activities requiring intricate organization of behavior
Albert BanduraPersons who have a strong sense of efficacy deploy their attention and effort to the demands of the situation and are spurred by obstacles to greater effort.
Albert Bandura