“In terms of adaptability, humans are pretty amazingly useless.”

Falling out of a posture means you are human; getting back into the posture means you are a yogi.

Absolute brain size does not tell you everything or possibly sometimes even much. Elephants and whales both have brains larger than ours, but you wouldn’t have much trouble outwitting them in contract negotiations.

Now they are a little like those desperate junkies who have tried every known drug and are finally reduced to mainlining toilet bowl cleanser in an effort to get still higher.

Every kid I knew had a father with a little stash of men’s magazines which the father thought was secret and which the kid knew all about.

An awful lot of England is slowly eroding, in ways that I find really distressing, and an awful lot of it is the hedgerows…

I refer of course to the soaring wonder of the age known as the Eiffel Tower. Never in history has a structure been more technologically advanced, materially obsolescent, and gloriously pointless all at the same time.

A significant fraction of thru-hikers reach Katahdin, then turn around and start back to Georgia. They just can’t stop walking, which kind of makes you wonder.

The remarkable position in which we find ourselves is that we don’t actually know what we actually know.

18th century scientists, the French in particular, seldom did things simply if an absurdly demanding alternative was available.

The world, you realize, is enormous in a way that only you and a small community of fellow hikers know. Planetary scale is your little secret.

Romans park their cars the way I would park if I had just spilled a beaker of hydrochloric acid on my lap.

Perhaps it’s my natural pessimism, but it seems that an awfully large part of travel these days is to see things while you still can.

There is no such thing, incidentally, as one kudo.

Every twenty minutes on the Appalachian Trail, Katz and I walked farther than the average American walks in a week. For 93 percent of all trips outside the home, for whatever distance or whatever purpose,

We used to build civilizations. Now we build shopping malls.

Where I grew up, in Des Moines, Iowa, there is hardly any downtown economic activity now. Everybody shops in malls – you don’t find a sense of community in malls.

Men are in fact, quite unable to control their own inventions; they at best develop adaptability to the new conditions those inventions create.