In a world in which time is a circle, every handshake, every kiss, every birth, every word, will be repeated precisely.

I re-read a lot of books that I like a lot. There are some books that I try to reread every couple of years. A good book changes for you every few years because you are in a different place in your own life.

Some say it is best not to go near the center of time. Life is a vessel of sadness, but is noble to live life and without time there is no life. Others disagree. They would rather have an eternity of contentment, even if that eternity were fixed and frozen, like a butterfly mounted in a case.

In a world in which time is a circle, every handshake, every kiss, every birth, every word, will be repeated precisely.

For me, consciousness is the most interesting unsolved problem of science, and, in fact, we may never know what it is about a particular arrangement of neurons that gives rise to consciousness. Our consciousness, like the air we breathe or like the passage of time, is central to our existence as intelligent beings.

One metaphor for how we are living is that you see so may people with cell phones. In restaurants, walking, they have cell phones clamped to their to heads. When they are on their cell phones they are not where their bodies are...they are somewhere else in hyperspace. They are not grounded. We have become disembodied. By being always somewhere else we are nowhere.

Scientists will forever have to live with the fact that their product is, in the end, impersonal.