1. Thou shalt not trot out thy usual schtick.
2. Thou shalt dream a great dream, or show forth a wonderous new thing, or share something thou hast never shared before.
and so on. Though #7 made me laugh out loud: "Thou shalt not sell from the stage neither thy company, thy goods, thy writings, nor thy desperate need for funding, lest thou be cast aside into outer darkness."
And TED organizers sent these commandments to speakers on a stone tablet. Amazing.