History of the Peloponnesian War

The confederates after this, having gotten Orchomenus, sat in council about what town they should proceed against next. The Eleians gave advice to go against Lepreum, but the Mantineans against Tegea. And the Argives and Athenians concurred in opinion with the Mantineans.

But the Eleians, taking it in evil part that they did not decree to go against Lepreum, went home. But the rest prepared themselves at Mantineia to go against Tegea, which also some within had a purpose to put into their hands.