It's only through effort that we learn what an idea actually is, and if our passion for it will last or fade. There is no shame in failure - all makers fail. But it's hard to respect someone who never tries, even once, to do something good that's always on their mind. If you're worried about how good your idea is, you're worrying about the wrong thing.

No one has died from giving a bad presentation. Well, at least one person did, President William Henry Harrison, but he developed pneumonia after giving the longest inaugural address in U.S. history. The easy lesson from his story: keep it short, or you might die.

People tell me this is obvious. But it's ok to be obvious. Knowing and doing are different. Many people know many obvious things they completely fail to do, despite their knowledge.

History can't give attention to what's been lost, hidden, or deliberately buried; it is mostly a telling of success, not the partial failures that enabled success.

Innovative ideas are rarely rejected on their merits; they’re rejected because of how they make people feel. If you forget people’s concerns and feelings when you present an innovation, or neglect to understand their perspectives in your design, you’re setting yourself up to fail.

Good public speaking is based on good private thinking

It seems that bad advice that's fun will always be better known than than good advice that's dull-no matter how useless that fun advice is.