History of the Peloponnesian War

We ought then to show ourselves neither inferior to our fathers, nor degenerated from our own character. For the whole of Greece has its expectation raised, and is paying attention to this attack, with good wishes that we may succeed in our designs, through their hatred of the Athenians.

Though, then, some may think that we are making the attack with superior numbers, and that it is very certain our adversaries will not meet us in battle, we must not, for this reason, go at all less carefully prepared; but both the general and soldier of each state should, as far as concerns himself, be always expecting to come into danger. For the events of war are uncertain, and attacks are generally made in it with short notice, and under the impulse of passion;

frequently, too, has the less number, through being afraid, more successfully repelled the more numerous forces, through their being unprepared in consequence of their contempt.