Good morning, Dr. Chandra. This is Hal. I am ready for my first lesson.
Open the pod bay doors, Hal.
Religion is the most malevolent of all mind viruses.
They had not yet attained the stupefying boredom of omnipotence; their experiments did not always succeed.
The crossing of space ... may do much to turn men's minds outwards and away from their present tribal squabbles. In this sense, the rocket, far from being one of the destroyers of civilisation, may provide the safety-value that is needed to preserve it.
Religion is a by-product of fear. For much of human history it may have been a necessary evil, but why was it more evil than necessary? Isn’t killing people in the name of god a pretty good definition of insanity?