Certainly, we have entered into a new age on our planet.

The technical definition of the Holocene has to do with the extinction of a snail species in Sicily.

If you were back in the Cretaceous Period - the last of the time of the dinosaurs - and you were driving from New York to Philadelphia on the New Jersey Turnpike, you would be driving across water.

When the dinosaurs go extinct and 75 percent of life goes extinct after a meteor hits the planet, that's an era boundary. That's when we change from the Mesozoic to the Cenozoic.

We're changing things, in many cases in irreparable ways, and that will certainly be recorded in the geological record.

There's no doubt if you could go 5, 10, 15 million years into the future and dig down to 2016, you would be able to find the geological evidence that humans occupied the planet.

Men will clutch at illusions when they have nothing else to hold to.

The only deadline that concerns me is the day that I die and whether or not I had loved enough while I was here.

When I read commentary about suggestions for where C should go, I often think back and give thanks that it wasn't developed under the advice of a worldwide crowd.

Anything that is worth teaching can be presented in many different ways. These multiple ways can make use of our multiple intelligences.

A person's taste is as much his own peculiar concern as his opinion or his purse.

Politics is a life sentence. It's an obsessive, all-demanding, utterly fascinating, totally committing profession - stimulating, satisfying, stretching.

There is but one true Giver in the universe; all else are debtors.

I don't want to do a TV series. It's no fun working from dawn to sunset every day. An occasional movie would be fine, and then I'll see what might develop on the political front.

Best thing about doing Youtube as a job - the Youtube friends that I've met all around the world, that I never would have got the chance to meet without Youtube.

Behold, now, another providence of God. A ship comes into the harbor.