The 'Friday sessions' refer to something that you're not paid for and not supposed to do during your professional life. Curiosity-driven research. Something random, simple, maybe a bit weird - even ridiculous. Without it, there are no discoveries.

The biggest adventure is to move into an area in which you are not an expert. Sometimes I joke that I am not interested in doing re-search, only search.

Graphene is a single plane of graphite that has to be pulled out of bulk graphite to show its amazing properties.

Better to be wrong than be boring.

If you work at a 10,000-person company, and you're using e-mail as the primary means of communication, then you probably have access to a couple hundredths of 1 percent of all the communications happening across the company. But if you use Slack, you might have access to 10 or 20 percent.

I have been in control of what I've been doing, of the career I've put together.

To the fans, thank you for your patience and concern. They've been on point with my career, especially after my injuries.

It destroys the soul to hear that you're all hype, that you have no talent, and that your whole career has been contrived.