"Bob is impressive because they is an excellent doctor." If that ruffles your feathers, watch this brief presentation by John E. McIntyre. And while you are at it, check out this fascinating Khan Academy video detailing the history of "you."
For Epicureanism, ataraxia was synonymous with the only true happiness possible for a person. It signifies the state of robust tranquillity that derives from eschewing concerns about an afterlife, not fearing the gods (because they are distant and unconcerned with us), avoiding politics and vexatious people, surrounding oneself with trustworthy and affectionate friends, realizing that the physical things one needs to be happy are few and that pain seldom lasts long, and, most importantly, being an affectionate, virtuous person, worthy of trust.
Mark Johnson (of "Metaphors we live By," written with George Lakoff) gave this excellent talk destroying the notion that meaning is something ethereal and disembodied. Instead, the body is the yardstick for meaning. This talk turns much of traditional epistemology upside down. Johnson opens the talk with a Billy Collins talk titled "Purity."
Unattributed. Seen on Facebook. 