I do look for openings where I can overturn popular misconceptions, but unlike Christopher Hitchens, I am neither a contrarian nor a lone heretic. I like to have a significant number of academics watching my back.

Knowing there is a world that will outlive you, there are people whose well-being depends on how you live your life, affects the way you live your life, whether or not you directly experience those effects. You want to be the kind of person who has the larger view, who takes other people's interests into account, who's dedicated to the principles that you can justify, like justice, knowledge, truth, beauty and morality.

An enormous amount of scientific language is metaphorical. We talk about a genetic code, where code originally meant a cipher; we talk about the solar system model of the atom as though the atom were like a sun and moon and planets.

Regardless of its causes, thoughtlessly blaming the present is a weakness which, even if it is never outlawed, ought to be resisted. Though commonly flaunted as a sign of sophistication, it can be an opportunity for one-upmanship and an excuse for misanthropy, especially against the young.

My laptop has freed me to travel.

There's a misconception that survival of the fittest means survival of the most aggressive. The adjective 'Darwinian' used to refer to ruthless competition; you used to read that in business journals. But that's not what Darwinian means to a biologist; it's whatever leads to reproductive success.

Terrorist bombings, like rampage shootings, are events that maximize the amount of publicity per amount of damage. That's why people do them, because they know they will set off a media frenzy.