Don Quijote:  Destiny guides our fortunes more favorably than we could have expected. Look there, Sancho Panza, my friend, and see those thirty or so wild giants, with whom I intend to do battle and kill each and all of them, so with their stolen booty we can begin to enrich ourselves. This is noble, righteous warfare, for it is wonderfully useful to God to have such an evil race wiped from the face of the earth.

Sancho Panza:  What giants?

Don Quijote:  The ones you can see over there, with the huge arms, some of which are very nearly two leagues long.

Sancho Panza:  Now look, your grace, what you see over there aren’t giants, but windmills, and what seems to be arms are just their sails, that go around in the wind and turn the millstone.

Don Quijote:  Obviously, you don’t know much about adventures.

The ingenious gentleman Don Quijote de la Mancha – by Miguel de Cervantes