Massive elimination is the most important step and the most neglected step for entrepreneurs.

The problem with New Year's resolutions - and resolutions to 'get in better shape' in general, which are very amorphous - is that people try to adopt too many behavioral changes at once. It doesn't work. I don't care if you're a world-class CEO - you'll quit.

To do the impossible, you need to ignore the popular.

Having a size 9 foot is fantastic because almost all of the shoe companies do their prototyping in size 9, so if you visit a place like Nike headquarters, you can try every sort of wacky, out-there model.

Which 20% of sources are causing 80% of my problems and unhappiness? Which 20% of sources are resulting in 80% of my desired outcomes and happiness?

Learn to be difficult when it counts

If you take a strong stance and have a clear opinion or statement on any subject online, you're going to polarize people. And without that polarity, there's no discussion. Discussion is what I want, which means that I'm fine with the consequences.