To my mathematical brain, the numbers alone make thinking about aliens perfectly rational.

What could define God, [is thinking of God] as the embodiment of the laws of nature. However, this is not what most people would think of that God. They made a human-like being with whom one can have a personal relationship. When you look at the vast size of the universe and how insignificant an accidental human life is in it, that seems most impossible.

Over a very small number of rolls of the dice, the uncertainty principle is very important.

We got through all of Genesis and part of Exodus before I left. One of the main things I learned from this exercise was not to begin a sentence with "And." When I pointed out that most sentences in the Bible began with "And," I was told that English had changed since the time of King James. In that case, I argued, why make us read the Bible? But it was in vain. Robert Graves at that time was very keen on the symbolism and mysticism in the Bible.

Mankind's greatest achievements have come about by talking and its greatest failures by not talking. It doesn’t have to be like this.

Time travel may be possible, but it is not practical.

Eternity is a long time, especially towards the end.