Remember that everyone has opinions and they are often bad. Opinions are easy to produce; everyone has plenty of them and most people are eager to share them—even to fight for them. Unfortunately many are worthless or even harmful, including a lot of your own.

Every time you confront something painful, you are at a potentially important juncture in your life—you have the opportunity to choose healthy and painful truth or unhealthy but comfortable delusion.

Look for people who have lots of great questions. Smart people are the ones who ask the most thoughtful questions, as opposed to thinking they have all the answers. Great questions are a much better indicator of future success than great answers.

If you can’t successfully do something, don’t think you can tell others how it should be done

If you’re not failing, you’re not pushing your limits, and if you’re not pushing your limits, you’re not maximizing your potential

Principles are fundamental truths that serve as the foundations for behavior that gets you what you want out of life. They can be applied again and again in similar situations to help you achieve your goals.

I saw that to do exceptionally well you have to push your limits and that, if you push your limits, you will crash and it will hurt a lot. You will think you have failed—but that won’t be true unless you give up.

in most companies people are doing two jobs: their actual job and the job of managing others’ impressions of how they’re doing their job.

Remember that the only purpose of money is to get you what you want, so think hard about what you value and put it above money. How much would you sell a good relationship for? There’s not enough money in the world to get you to part with a valued relationship.