Open the pod bay doors, Hal.

It was one thing to have guessed it, another to have had that guess confirmed beyond possibility of refutation.

Religion is a byproduct of fear.

The rash assertion that "God made man in His own image" is ticking like a time bomb at the foundation of many faiths.

No utopia can ever give satisfaction to everyone, all the time. As their material conditions improve, men raise their sights and become discontented with power and possessions that once would have seemed beyond their wildest dreams. And even when the external world has granted all it can, there still remain the searchings of the mind and the longings of the heart.

Two possibilities exist: Either we are alone in the Universe or we are not. Both are equally terrifying.

It is not easy to see how the more extreme forms of nationalism can long survive when men have seen the Earth in its true perspective as a single small globe against the stars.