We are all, in a sense, experts on secrecy. From earliest childhood we feel its mystery and attraction. We know both the power it confers and the burden it imposes. We learn how it can delight, give breathing space and protect.

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.

Deceit and violence - these are the two forms of deliberate assault on human beings.

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

Secrecy is as indispensable to human beings as fire, and as greatly feared.

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?