Space can be mapped and crossed and occupied without definable limit; but it can never be conquered.
Arthur C. ClarkeI'm surprised at some technological development, and the realization that any sufficiently advanced technology is indistinguishable from magic. I think the CD-ROM is the best example of that. The idea of having a whole symphony, or opera, or novel in a little piece of plastic is pretty amazing.
Arthur C. ClarkeWhen the Sun shrinks to a dull red dwarf, it will not be dying. It will just be starting to live and everything that has gone before will merely be a prelude to its real history.
Arthur C. Clarke