Liars share with those they deceive the desire not to be deceived.

Trust is a social good to be protected just as much as the air we breathe or the water we drink. When it is damaged, the community as a whole suffers; and when it is destroyed, societies falter and collapse

While all deception requires secrecy, all secrecy is not meant to deceive.

Some level of truthfulness has always been seen as essential to human society, no matter how deficient the observance of other moral principles.

Confidentiality refers to the boundaries surrounding shared secrets and to the process of guarding these boundaries. While confidentiality protects much that is not in fact secret, personal secrets lie at its core. The innermost, the vulnerable, often the shameful: these aspects of self-disclosure help explain why one name for professional confidentiality has been "the professional secret." Such secrecy is sometimes mistakenly confused with privacy; yet it can concern many matters in no way private, but that someone wishes to keep from the knowledge of third parties.

Are people the best judges of their own happiness, or outsiders? In defining happiness, should we think of entire lives or of shorter periods such as moments, days, or years? And to what extent are virtue and happiness linked?

Much as being active in the antislavery movement of the last century involved more than not engaging in slavery oneself, so joining in an antiviolence movement has to go beyond opting for nonviolence in one's personal life. It calls for engaging in imaginative and forceful practices of nonviolent resistance to violence, including taking a stand toward entertainment violence.