What sets the carbon atom apart is that it is shamelessly promiscuous. - Bill Bryson

You can get some sense of the immaterial quality of clouds by strolling through fog — which is, after all, nothing more than a cloud that lacks the will to fly.

Black bears rarely attack. But here's the thing. Sometimes they do. All bears are agile, cunning and immensely strong, and they are always hungry. If they want to kill you and eat you, they can, and pretty much whenever they want. That doesn't happen often, but - and here is the absolutely salient point - once would be enough.

It wasn't until we dropped him at his university dormitory and left him there looking touchingly lost and bewildered amid an assortment of cardboard boxes and suitcases in a spartan room not unlike a prison cell that it really hit home that he was vanishing out of our lives and into his own.