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 Jr. and the Wright brothers …

Body language affects how others see us, but it may also change how we see ourselves. Social psychologist Amy Cuddy argues that “power posing” — standing in a posture of confidence, even when we don’t feel confident — can boost feelings…

With help from some surprising footage, Derek Sivers explains how movements really get started. (Hint: it takes two.)

Brené Brown studies human connection — our ability to empathize, belong, love. In a poignant, funny talk, she shares a deep insight from her research, one that sent her on a personal quest to know herself as well as to understand humanity. A talk to share.