"I think happiness is not a smiling face, it's more a smiling soul."

"It's a true fact, but a bizarre one, that the reason why hundreds of thousands of people died in Hiroshima and Nagasaki rather than Kyoto and Kokura, is because of a 19-year-old vacation and a passing cloud."

"There is interesting ethical questions about how we should actually conduct ourselves in [a space colonization] exploration phase."

"There's a long history of people claiming planets which look Earth-like, Earth 2.0, Earth twins."

"The more uncertain and scary things get in the world, the more we as humans are drawn to simple dichotomies."

"Being aware of your mindsets is the difference between living a conscious life, where you're making choices in accord with what you actually want and going where you actually wanna go, versus being on autopilot and having those mindsets subconsciously drive all of your decisions."

“I think the key point is that doesn't mean game over. That doesn't mean we're flipped into a world, and to a point of no return.”

"Asking the question of, "Where did the entire universe come from?" is no longer a question for poets and theologians and philosophers. This is a question for scientists, and we have some amazing scientific answers to this question."

"What would a totalitarian society that is not well disposed to our own do if it had God-like power? We don't wanna find out."

"These days, no national news network is trusted by more than half of American adults. And that's a problem."

"Plato would argue that sex in and of itself is not what true love is. Sex can reach a point where you are in union with that person, where you see behind their appearances and you see behind the flesh and you experience something which is more transcendental."

"Quantum mechanics and quantum entanglement are becoming very real. We're beginning to be able to access this tremendously complicated configuration space to do useful things."

"We're at a very critical point in human history where things are about to change dramatically. One of the beauties of these AI tools is you now can just be anything that you dreamt of being."

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."