Willpower is a muscle that can be strengthened.

Evil is not likely to result where people firmly believe that ends do not justify the means.

The societal pursuit of high self-esteem for everyone may literally end up doing considerable harm.

Researchers were surprised to find that people with strong self-control spent less time resisting desires than other people did. . . . people with good self-control mainly use it not for rescue in emergencies but rather to develop effective habits and routines in school and at work.

For most of us... the problem is not a lack of goals but rather too many of them.

People with high but unstable self-esteem exhibit the greatest hostility.

Willpower is a muscle that can be strengthened.