When we're not well rested, we're not as healthy. Lack of sleep is often the culprit behind anxiety, stress, depression, and a myriad of health problems.

When do we have our best ideas? When we're in the shower… when we're on a long drive with a radio off… when we're on a hike. The research supports this too.

These are technologies that are autonomous in many, many ways. They are independent in many, many ways – they have free will. They can replicate. And that makes a difference because then we teach them how to learn, but we have no idea what they will do with that ability to learn and develop intelligence.

I wasn't just fighting for myself. I was fighting for an entire country and millions of fans around the world who believe in me. That is why I will always give 100% in and out of the ring.

My wife quipped that we're all going to die and it just happened to be her turn. Her pragmatic and humorous attitude was a guide as to how to accept what is unchangeable and inevitable.