G. W. Elderkin, Problems in Periclean Buildings
“ The splendid north portal was to lead immediately into the cella of the tokens, on either side of which were the shrines of the divinities that had contended for the land of Attica. The balance of structure would have reflected a balance of cults. The original Erechtheum, in short, was an architectural sentence finely illustrating the μέν and δέ of Greek feeling. With the Parthenon and the Propylaea, it was to form a group of symmetrical monuments to crown the Athenian acropolis in a manner worthy of the Periclean Age. ”
