From astronomy we find the east, west, south, and north, as well as the theory of the heavens, the equinox, solstice, and courses of the stars. If one has no knowledge of these matters, he will not be able to have any comprehension of the theory of sundials.

— Vitruvius De architectura (The Ten Books On Architecture) (-15)

More quotes by Vitruvius

De architectura (The Ten Books On Architecture) (-15)

De architectura (The Ten Books On Architecture) (-15)

De architectura (The Ten Books On Architecture) (-15)

De architectura (The Ten Books On Architecture) (-15)

De architectura (The Ten Books On Architecture) (-15)

Quote text and notes from Wikiquote: Vitruvius (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.