If the WormCam had shown nothing else, he thought, it was this, with pitiless clarity: that the lives of most humans had been miserable and short, de… - Arthur C. Clarke

We have abolished space here on the little Earth; we can never abolish the space that yawns between the stars. Once again, as in the days when Homer sang, we are face-to-face with immensity and must accept its grandeur and terror, its inspiring possibilities and its dreadful restraints.

Others, one suspects, are afraid that the crossing of space, and above all contact with intelligent but nonhuman races, may destroy the foundations of their religious faith. They may be right, but in any event their attitude is one which does not bear logical examination — for a faith which cannot survive collision with the truth is not worth many regrets.

This project was no longer mathematics; it was engineering.