John Ruskin,
Lectures on Architecture and Painting…
“ I want to deepen and make clear to you this consciousness that the world has had essentially a Trinity of ages—the Classical Age, the Middle Age, the Modern Age; each of these embracing races and individuals of apparently enormous separation in kind, but united in the spirit of their age,—the Classical Age having its Egyptians and Ninevites, Greeks and Romans,—the Middle Age having its Goths and Franks, Lombards and Italians,—the Modern Age having its French and English, Spaniards and Germans ”
