If such a thing had happened once, it must surely have happened many times in this galaxy of a hundred billion suns.
Arthur C. ClarkeWhat was more, they had taken the first step toward genuine friendship. They had exchanged vulnerabilities.
Arthur C. ClarkeBehind every man now alive stand thirty ghosts, for that is the ratio by which the dead outnumber the living.
Arthur C. ClarkeUsing material ferried up by rockets, it would be possible to construct a "space station" in ... orbit. The station could be provided with living quarters, laboratories and everything needed for the comfort of its crew, who would be relieved and provisioned by a regular rocket service. (1945)
Arthur C. Clarke