First ask why, and decide whether something is worth doing. Only after that should you set about doing it as well as you can.

Mirror neurons make human empathy possible.

If you adopt the body language of a power player, it will greatly facilitate your ability to be a power player.

Sometimes, with leaders, the stakes are very high indeed. Churchill, in WWII, for example, could not afford to utter publicly his concerns about England's ability to survive Hitler's onslaught. He thought about them, but the leadership conversation sometimes needs to inspire, not voice doubt.

Being embarrassed means that you're human, and we like you better for it

Indeed, we learn far more from our mistakes than our successes.

A language like Ruby is a toolbox with some really neat little tools that do their job really nicely. JavaScript is a leather sheath with a really really sharp knife inside. That knife can cut anything, and with it you can do anything. You can kill a bear. You can catch fish. You can whittle a piece of wood into a pony. It's even a toothpick.