“Protons give an atom its identity, electrons its personality.”

Physicists are atoms’ way of thinking about atoms.

Most of the time I am sunk in thought, but at some point on each walk there comes a moment when I look up and notice, with a kind of first-time astonishment.

It had no practical application in his lifetime, but today, thanks to computers, is routinely used in the modelling of climate change, astrophysics and stock-market analysis.

But what is life to a lichen ? Yet its impulse to exist, to be, is every bit as strong as ours arguably even stronger. If I were told that I had to spend decades being a furry growth on a rock in the woods, I believe I would lose the will to go on.

Columbus real achievement was managing to cross the ocean successfully in both directions. Though an accomplished enough mariner, he was not terribly good at a great deal else, especially geography, the skill that would seem most vital in an explorer.

People don’t talk like this, theytalklikethis. Syllables, words, sentences run together like a watercolour left in the rain.

… it occurred to me that never again would he be seven years, one month and six days old, so we had better catch these moments while we can.

A cough so robust that I tapped into two new seams of phlegm.

Americans now get in a car. On average the total walking of an American these days – that’s walking of all types: from car to office, from office to car, around the supermarket and shopping malls – adds up to 1.4 miles a week, barely 350 yards a day.

But here’s an extrememly salient point: we have been chosen, by fate or Providence or whatever you wish to call it. As far as we can tell, we are the best there is.

On the dashboard of our family car is a shallow indentation about the size of a paperback book. If you are looking for somewhere to put your sunglasses or spare change, it is the obvious place, and it works extremely well,

The people are immensely likable- cheerful, extrovert, quick-witted, and unfailingly obliging. Their cities are safe and clean and nearly always built on water. They have a society that is prosperous, well ordered, and instinctively egalitarian.

All the things that are part of your heritage make you British – that makes this country what it is. It’s part of your history. And here, unlike America, it’s still living history.

A belief that no commercial activities must be allowed inside the park, but permitting unrestrained development outside, even though the landscape there may be just as outstanding.

As a rule of thumb, I would submit that if you need to call your floss provider, for any reason, you are probably not ready for this level of oral hygiene.

You are going to have a day without even the tiniest of pleasures; you are going to drive across Ohio.