Mathematics is concerned with "all possible worlds."

The concept of a mental state is primarily the concept of a state of the person apt for bringing about a certain sort of behaviour.

To accept Naturalism is to reject such entities as Cartesian minds, private visual and tactual spaces, angelic beings and God.

Those who say life is knocking them down and giving them a tough time are usually the first to beat themselves up. Be on your own side.

The Swartzentruber Order is the most conservative on the Amish spectrum. Amish people have differences just like any culture.

Innovators are inevitably controversial.

Critics sometimes appear to be addressing themselves to works other than those I remember writing.

It is completely unimportant. That is why it is so interesting.

I live by the sea in Australia and the weather of course is glorious all year round.

I was raised in a family where we were taught that the best thing you could do with your life was to really kind of push the cause of progress and justice and human rights forward.

There are always people who will be better at some thing than you are.

Weeds do become resistant to herbicides, and it needs to be managed with multiple herbicides.

Scientifically, happiness is a choice. It is a choice about where your single processor brain will devote its finite resources as you process the world.