You can learn new things at any time in your life if you're willing to be a beginner. If you actually learn to like being a beginner, the whole world opens up to you.

Real obstacles don't take you in circles. They can be overcome. Invented ones are like a maze.

Imaginary obstacles are insurmountable. Real ones aren't.

The defense force inside of us wants us to be cautious, to stay away from anything as intense as a new kind of action. Its job is to protect us, and it categorically avoids anything resembling danger. But it's often wrong.

Doing is a quantum leap from imagining.