But I try not to think with my gut. If I'm serious about understanding the world, thinking with anything besides my brain, as tempting as that might ….

Those who seek power at any price detect a societal weakness, a fear that they can ride into office..

We are, each of us, a multitude. Within us is a little universe..

Our planet is a lonely speck in the great enveloping cosmic dark. In our obscurity, in all this vastness, there is no hint that help will come from e….

Science is a way to not fool ourselves..

There is every reason to think that in the coming years Mars and its mysteries will become increasingly familiar to the inhabitants of the Planet Ear….

Valid criticism does you a favor..

The words "question" and "quest" are cognates. Only through inquiry can we discover truth..

War is murder writ large..

The fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses..

The method of science is tried and true. It is not perfect, it's just the best we have. And to abandon it, with its skeptical protocols, is the pathw….

After the earth dies, some 5 billion years from now, after it's burned to a crisp, or even swallowed by the Sun, there will be other worlds and stars….

The library connects us with the insight and knowledge, painfully extracted from Nature, of the greatest minds that ever were, with the best teachers….

Some racists still reject the plain testimony written in the DNA that all the races are not only human but nearly indistinguishable. . . ..

A new consciousness is developing which sees the earth as a single organism and recognizes that an organism at war with itself is doomed. We are one ….

The Bill of Rights decoupled religion from the state, in part because so many religions were steeped in an absolutist frame of mind - each convinced ….

We are the universe experiencing itself..

If God is omnipotent and omniscient, why didn't he start the universe out in the first place so it would come out the way he wants? Why's he constant….

The sacred truth of science is that there are no sacred truths..

A single message from space will show that it is possible to live through technological adolescence. . . . It is possible that the future of human ci….

Human history can be viewed as a slowly dawning awareness that we are members of a larger group Groups of people from divergent ethnic and cultural b….