A blade of grass is a commonplace on Earth; it would be a miracle on Mars. Our descendants on Mars will know the value of a patch of green. And if a ….

There are more potential combinations of DNA [physical forms] than there are atoms in the universe..

They (i. e., the Pythagoreans) did not advocate the free confrontation of conflicting points of view. Instead, like all orthodox religions, they prac….

The Cosmos is all that is or ever was or ever will be..

It is sometimes said that scientists are unromantic, that their passion to figure out robs the world of beauty and mystery. But is it not stirring to….

If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of a percent of the contents of the greatest libraries….

We are star stuff harvesting sunlight..

Clutching our crystals and religiously consulting our horoscopes, our critical faculties in steep decline, unable to distinguish between what's true ….

In a lot of scientists, the ratio of wonder to skepticism declines in time. That may be connected with the fact that in some fields-mathematics, phys….

Science is only a Latin word for knowledge.

Your god is too small for my universe..

[One's] inability to invalidate your hypothesis is not at all the same thing as proving it true..

The dumbing down of America is evident in the slow decay of substantive content, a kind of celebration of ignorance..

A still more glorious dawn awaits / not a sunrise, but a galaxy-rise / a morning filled with 400 billion suns / the rising of the milky way.

I don't want to believe. I want to know..

We live on a hunk of rock and metal that circles a humdrum star that is one of 400 billion other stars that make up the Milky Way Galaxy which is one….

These are all cases of proved or presumptive baloney. A deception arises, sometimes innocently but collaboratively, sometimes with cynical premeditat….

We are like butterflies who flutter for a day and think it is forever..

Where did God come from? If we decide this is an unanswerable question why not save a step and conclude that the origin of the universe is an unanswe….

One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time..

Extraordinary claims demand extraordinary evidence.