The content of most textbooks is perishable, but the tools of self-directedness serve one well over time.
Albert BanduraPerceived self-efficacy also shapes causal thinking. In seeking solutions to difficult problems, those who perceived themselves as highly efficacious are inclined to attribute their failures to insufficient effort, whereas those of comparable skills but lower perceived self-efficacy ascribe their failures to deficient ability
Albert BanduraForceful actions arising from erroneous beliefs often create social effects that confirm the misbeliefs
Albert Bandura