The Eloquent Sounds of Silence

EVERY ONE OF US KNOWS THE SENSATION OF GOING UP, on retreat, to a high place and feeling ourselves so lifted up that we can hardly imagine the circumstances of our usual lives, or all the things that make us fret. In such a place, in such a state, we start to recite the standard litany: that silence is sunshine, where company is clouds; that silence is rapture, where company is doubt; that silence is golden, where company is brass.

But silence is not so easily won. And before we race off to go prospecting in those hills, we might usefully...