The whole reason to study (and learn to control) body language is to have that support (rather than undercut) your message.

Every human emits unconscious vocal undertones that determine who the leader is in the room.

Storytelling sticks in the mind because it attaches emotions to events, and that's the way we remember things. If you don't tell stories, no one will remember what you say.

You have to begin by posing questions to your unconscious mind, and then listening very carefully for the answers. If you pose the right kinds of questions, and listen well, you can begin to tap into the power of your unconscious mind.

The person in power takes up the most space.

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.

You have to learn to trust - and listen to - your unconscious mind. If you pose the question to your unconscious "is this person a friend or a foe" - safe or a threat - your unconscious mind is hard-wired to assess that brilliantly for you. It's just that we're not very good at paying attention to what our unconscious minds are telling us.