/https%3A%2F%2Fpe.tedcdn.com%2Fimages%2Fted%2F8d116f6ed73143154a5f8fd240fa4ab6fd52b1cb_240x180.jpg%3Flang%3Den)
Simon sinek has a simple but powerful model for inspirational leadership -- starting with a golden circle and the question "why?" his examples include apple, martin luther king, and the wright brothers ...
Matthieu ricard - altruisme et paix économique : valeurs clés de l'entreprise