Philo Judaeus De Opificio Mundi 17

[17] But that world which consists of ideas, it were impious in any degree to attempt to describe or even to imagine: but how it was created, we shall know if we take for our guide a certain image of the things which exist among us.

When any city is founded through the exceeding ambition of some king or leader who lays claim to absolute authority, and is at the same time a man of brilliant imagination, eager to display his good fortune, then it happens at times that some man coming up who, from his education, is skilful in architecture, and he, seeing the advantageous character and beauty of the situation, first of all sketches out in his own mind nearly all the parts of the city which is about to be completed—the temples, the gymnasia, the prytanea, the markets, the harbour, the docks, the streets, the arrangement of the walls, the situations of the dwelling houses, and of the public and other buildings.