If someone's criticism is completely unfounded on data, then I don't want to hear it. It doesn't hold up to scrutiny.

Information is useless if it is not applied to something important or if you will forget it before you have a chance to apply it.

When you elevate the heels more so than you elevate the sole of the foot, you trigger a cascade of compensations in the knees and hips that cause tight hip flexors, and then those hip flexors cause lower-back pain.

Poisonous people do not deserve your time. To think otherwise is masochistic.

If everyone is defining a problem or solving it one way and the results are subpar, this is the time to ask, What if I did the opposite? Don't follow a model that doesn't work. If the recipe sucks, it doesn't matter how good a cook you are.

Remember—boredom is the enemy, not some abstract "failure.

By working only when you are most effective, life is both more productive and more enjoyable. It's the perfect example of having your cake and eating it, too.