I recommend limiting one's involvement in other people's lives to a pleasantly scant minimum. This may seem too stoical a position in these madly passionate times, but madly passionate people rarely make good on their madly passionate promises.
Quentin CrispOf course I lie to people. But I lie altruistically - for our mutual good. The lie is the basic building block of good manners. That may seem mildly shocking to a moralist - but then what isn't?
Quentin Crisp