I've always been more interested in organisms that can move on their own than in stationary plants. But when I canoe or hike along the edge of lakes or oceans and see trees that seem to be growing out of rock faces, I am blown away. How do they do it?

The failure of world leaders to act on the critical issue of global warming is often blamed on economic considerations.

The future doesn't exist. The only thing that exists is now and our memory of what happened in the past. But because we invented the idea of a future, we're the only animal that realized we can affect the future by what we do today.

If America wants to retain its position as a global power, its president must listen to the people and show strong leadership at this turning point in human history.

The great trouble with baseball today is that most of the players are in the game for the money and that's it, not for the love of it, the excitement of it, the thrill of it.

The only way you will ever permanently take control of your financial life is to dig deep and fix the root problem.

That a majority of the Abolitionists in this place would patronize a free labor store, in preference to others, I do not doubt; but we do not muster money in Cincinnati.

I'd like to do things to make money to save myself but right now I can't do nothing. If they want to put me in jail, they can do that. It's kind of tough.