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.

The questionnaire is a simple first step toward becoming more self-aware.

Mirror neurons make human empathy possible.

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.

The world is a very big place and there are many wonderful people in with ideas you haven't thought about. Talk to them, find out what they're thinking, so that you can be the best person you can be.

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.

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