How the 40-year-old entrepreneur and media mogul learned from his struggles, and why he believes accountability is the real secret to happiness.

"Many astronomers are really driven by the search for Earth twins because I think deep down the natural endpoint of this whole goal of looking for planets is to answer the question, are we alone?"

"We try to stick to routines and we try to go through very long lists of tasks, often ignoring our mental health in the process. There is a lot more to think about on a daily basis, but our brains haven't evolved."

"Everything that we care about, everything we experience, everything we know, we know it through our conscious awareness of it."

She was searching for perfection – until she discovered what she truly needed by letting go of what didn’t fit.

"It's not that I don't think these problems are big or that they're urgent, but I can start to see that these problems are solvable."

"The truth is that the skills that go into both motivation and manipulation are almost the same skills. The same level of persuasion, the same level of influence, the same level of charisma and dynamic creative thinking drives us to both be manipulated and be motivated."