The social and phychological theories of our time also have an impact on our beliefs.The fotmula for success and happiness begins with feeling good about ourselves.

A negative perception of our abilities will , of course , handicap our performance.

many proponents of self-esteem went far beyong Maltz's demonstration that self-confidence is an important ingredient in success.

self-effacing 谦逊的

by and large 大体上 总的来说

selfesteem 自尊 imperative 必要的

handicap妨碍  self-hypnotism 自我催眠