Silence is exhilarating at first - as noise is - but there is a sweetness to silence outlasting exhilaration, akin to the sweetness of listening and the velvet of sleep.

There often seems to be a playfulness to wise people, as if either their equanimity has as its source this playfulness or the playfulness flows from equanimity; and they can persuade other people who are in a state of agitation to calm down and smile.

Animals are stylized characters in a kind of old saga - stylized because even the most acute of them have little leeway as they play out their parts.

If a person sings quietly to himself on the street people smile with approval; but if he talks it's not alright; they think he's crazy. The singer is presumed to be happy and the talker unhappy.

There is a time of life somewhere between the sullen fugues of adolescence and the retrenchments of middle age when human nature becomes so absolutely absorbing one wants to be in the city constantly, even at the height of summer.

Henry David Thoreau, who never earned much of a living or sustained a relationship with any woman that wasn't brotherly -- who lived mostly under his parents' roof . . . who advocated one day's work and six days "off" as the weekly round and was considered a bit of a fool in his hometown . . . is probably the American writer who tells us best how to live comfortably with our most constant companion, ourselves.

If a walker is indeed an individualist there is nowhere he can't go at dawn and not many places he can't go at noon. But just as it demeans life to live alongside a great river you can no longer swim in or drink from, to be crowded into safer areas and hours takes much of the gloss off walking - one sport you shouldn't have to reserve a time and a court for.