that we're not even halfway there yet. When I said 'change we can believe in' I didn't say 'change we can believe in tomorrow.' Not change we can believe in next week. We knew this was going to ...

“There’s a perceptual element ... many more details on the three experiments. Have you experienced this motivational valley of death halfway to a goal and, if so, how did you conquer it?

To those who have started and are halfway along the journey, continue and embrace that journey. Measure and celebrate your successes, and learn from your failures. For example, perhaps you are ...