Philip, however, elated by his good-fortune in the matter of Amphissa, surprised Elateia and occupied Phocis. This step drove the Athenians out of their senses:
Edition :
Plutarch Lives VII: Demosthenes and Cicero, Alexander and Caesar, Ed. Jeffrey Henderson, trans. Bernadotte Perrin (The Loeb Classical Library 99), Harvard University Press: Cambridge/MA - London 1967 (first ed. 1919).
Notes :
Starting with Euboia in 350 BC, Philip had ever since tried to gain power in Greece.