There are well-dressed foolish ideas just as there are well-dressed fools.

We humans are obsessed with lights...Perhaps it is our way of hurling the constellations back at the sky.

I am a great fan of the universe, which I take literally: as one. All of it interests me, and it interests me in detail.

Variety is the pledge that matter makes to living things.

We evolved as creatures knitted into the fabric of nature, and without its intimate truths, we can find ourselves unraveling.

As the most social apes, we inhabit a mirror-world in which every important relationship, whether with spouse, friend or child, shapes the brain, which in turn shapes our relationships.

Shaped a little like a loaf of French country bread, our brain is a crowded chemistry lab, bustling with nonstop neural conversations.