David Horne

One: You have to train yourself to notice things. It's not 100% natural at first – it certainly wasn’t for me – but raising those antennae is a very worthwhile thing to do. And it snowballs: once I got started taking notes, I ended up taking more and more of them.

Two: Be very liberal about what you keep. If you're going through your notes, cross

Small steps matter. Your ability to be at your best is linked to how strong you are when you’re weak. Being stronger, or sucking less, in critical moments can be transformational over time.

A man is the sum of his parts and his character the sum of the traits that compose it.

flushing out the Black Swans—and exploiting them. Remember, your counterpart might not even know how important the information is, or even that they shouldn’t reveal it. So keep pushing, probing, and gathering information.

For any business person, "Me too' won't do" feels right intuitively. Action, creation, risk-these lie at the root of invention. Business value does not start with bloodless analytics. Passion, monomania and domain mastery fuel invention and so are central. The compelling continuing contribution of founders demonstrates this. Planning rarely creates

From a practical standpoint, the biggest contributor to your errors and emotional volatility is what lies below the surface, such as flaws like: