History of the Peloponnesian War
Thucydides
Thucydides. History of the Peloponnesian War. Crawley, Richard, translator. London and Toronto: J. M. Dent and Sons Ltd.; New York: E. P. Dutton and Co., 1914.
If they had brought plenty of supplies with them, and had persevered in the war without scattering for piracy and agriculture, they would have easily defeated the Trojans in the field; since they could hold their own against them with the division on service. In short, if they had stuck to the siege, the capture of Troy would have cost them less time and less trouble.
But as want of money proved the weakness of earlier expeditions, so from the same cause even the one in question, more famous than its predecessors, may be pronounced on the evidence of what it effected to have been inferior to its renown and to the current opinion about it formed under the tuition of the poets.
Even after the Trojan war Hellas was still engaged in removing and settling, and thus could not attain to the quiet which must precede growth.