"On the one hand, our minds try to probe the ephemeral reality of the quantum world; on the other, we talk, think, and act in a language adapted for discussing trees, rocks, and automobiles -- as well as poetry and emotions."

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As soon as somebody demonstrates the art of flying, settlers from our species of man will not be lacking on the Moon and Jupiter. Who would have believed that a huge ocean could be crossed more peacefully and safely than the the narrow expanse of the Adriatic, the Baltic Sea or the English Channel? Given ships or sails adapted to the breezes of heaven, there will be those who will not shrink from even that vast expanse.

— Johannes Kepler