Astronomy is so easy to love. ... Fairly or not, physics is associated with nuclear bombs and nuclear waste, chemistry with pesticides, biology with Frankenfood and designer-gene superbabies. But astronomers are like responsible ecotourists, squinting at the scenery through high-quality optical devices, taking nothing but images that may be computer-enhanced for public distribution, leaving nothing but a few Land Rover footprints on faraway Martian soil, and OK, OK, maybe the Land Rover, too.

When I sent out a casual and nonscientific poll of my own to a wide cast of acquaintances, friends and colleagues, I was surprised, but not really, to learn that maybe 60 percent claimed a belief in a God of some sort, including people I would have bet were unregenerate skeptics. Others just shrugged. They don't think about this stuff. It doesn't matter to them. They can't know, they won't beat themselves up trying to know and for that matter they don't care if their kids believe or not.

I'm an Atheist. I don't believe in God, Gods, Godlets or any sort of higher power beyond the universe itself, which seems quite high and powerful enough to me.

Eternal love is a myth, but we make our myths, and we love them to death.

Whatever else I might have thought of [President George W] Bush's call, with its assumption that prayer is some sort of miracle Vicks VapoRub for the national charley horse, it's clear that his hands were reaching for any hands but mine.

The beauty of the natural world lies in the details.

What is wrong with looking muscular? Muscles are beautiful. Strength is beautiful. Muscle tissue is beautiful. It is metabolically, medically, and philosophically beautiful. Muscles retreat when they're not used, but they will always come back if you give them good reason. No matter how old you get, your muscles never lose hope. Few cells of the body are as capable as muscle cells are of change and reformation, of achievement and transcendence.