By speaking of greater forces than we can possibly invoke, and by confronting us with greater spans of time than we can possibly envisage, mountains refute our excessive trust in the man-made. They pose profound questions about our durability and the importance of our schemes. They induce, I suppose, a modesty in us.

Woods and forests have been essentialt to the imagination of these islands, and of countries throughout the world, for centuries. It is for this reason that when woods are felled, when they are suppressed by tarmac and concrete and asphalt, it is not only unique species and habitats that disappear, but also unique memories, unique forms of thought.

All travelers to wild places will have felt some version of this, a brief blazing perception of the world's disinterest. In small measures it exhilarates. But in full form it annihilates.

As the pen rises from the page between words, so the walker's feet rise and fall between paces, and as the deer continues to run as it bounds from the earth and the dolphin continues to swim even as it leaps again and again from the sea, so writing and wayfaring are continuous activities, a running stitch, a persistence of the same seam or stream.