If each dead person became a ghost, there'd be more than 100 billion of them haunting us all. Creepy, but cool.

Let's invent a new tomorrow and then make it happen. Let's invent the city of tomorrow, the home of tomorrow, the transportation of tomorrow.

Kids are born curious about the world. What adults primarily do in the presence of kids is unwittingly thwart the curiosity of children.

Apart from the obvious advantages of having ice to melt, filter, then drink, you can also break apart the water's hydrogen from its oxygen. Use the hydrogen and some of the oxygen as active ingredients in rocket fuel and keep the rest of the oxygen for breathing. And in your spare time between space missions, you can always go ice skating on the frozen lake created with the extracted water.

I'm a fan of the planets in any combination. When I was born, Mercury, Venus, Jupiter, Saturn, Uranus, Neptune, Pluto, the Sun, and the Moon were all in the sky.

The greatest of people in society carve niches that represent the unique expression of their combinations of talents. If everyone had the luxury of expressing the unique combination of talents in this world, our society would be transofrmed over night.

There's the anti-intellectual movement in society and I don't blame them entirely for feeling that way because we all know people, I have many colleagues where you try to hang out with them and they make you feel bad for not knowing what they know. If that's how you interact with people, why would anyone want to be that.