History of the Peloponnesian War
Thucydides
Thucydides. The history of the Peloponnesian War, Volume 1-2. Dale, Henry, translator. London: Heinemann and Henry G. Bohn, 1851-1852.
After this, when the allies were now in possession of Orchomenus, they consulted to which of the remaining places they should proceed first. The Eleans urged them to go against Lepreum, the Mantineans against Tegea; and the Argives and Athenians sided with the Mantineans.
The Eleans, being angry at their not determining to march against Lepreum, returned home; while the rest of the allies made preparations at Mantinea for proceeding against Tegea; and a party of the Tegeans themselves in the town were ready to give up the government to them.
As for the Lacedaemonians, when they had returned from Argos after concluding the four months' truce, they blamed Agis exceedingly for not having brought Argos into subjection to them, when there was so fine an opportunity as they thought had never before presented itself; for it was no easy thing to find so many and such allies collected together.
But when tidings also came of the capture of Orchomenus, they were far more enraged, and under the influence of anger resolved immediately (contrary to their general habit) that they ought to demolish his house, and fine him ten thousand drachmas.
But he besought them to do none of these things; for he would atone for his faults by good service when he next took the field, or they might then do to him whatever they pleased.