The content of most textbooks is perishable, but the tools of self-directedness serve one well over time.
Albert BanduraPeople who hold a low view of themselves [will credit] their achievements to external factors, rather than to their own capabilities.
Albert BanduraComparative appraisals of efficacy require not only evaluation of one;s own performances but also knowledge of how others do, cognizance of nonability determinants of their performances, and some understanding that it is others, like oneself, who provide the most informative social criterion for comparison
Albert Bandura