History doesn't repeat itself, but it rhymes: John Langdon at TEDxDrexelU
17:58
Why History Matters | Patrick Allitt | TEDxEmory
18:25
The 7 secrets of the greatest speakers in history | Richard Greene | TEDxOrangeCoast
17:21
Defining Success | Raymond Singer, MD, MMM, CPE | TEDxLehighRiverSalon
19:02
How to do less and get more done: Arne Sigurd Rognan Nielsen at TEDxTrondheim
17:22
Mental Toughness, Compared to What?: Matt Petroski at TEDxBuffalo
14:30
Body language, the power is in the palm of your hands | Allan Pease | TEDxMacquarieUniversity
12:34
History cannot teach us lessons | Steve Mason | TEDxGroningen
13:55