In fact, all kinds of men, and not merely architects, can recognize a good piece of work... - Vitruvius

Men have no right to profess themselves architects hastily, without having climbed from boyhood the steps of these studies and thus, nursed by the knowledge of many arts and sciences, having reached the heights of the holy ground of architecture.

One who in accordance with these notes will take pains in selecting his method of construction, may count upon having something that will last.

In accordance with the foregoing investigations on mathematical principles, let bronze vessels be made, proportionate to the size of the theatre, and let them be so fashioned that, when touched, they may produce with one another the notes of the fourth, the fifth, and so on up the double octave.