In practice we always base our preparations against an enemy on the assumption that his plans are good… — Thucydides
In practice we always base our preparations against an enemy on the assumption that his plans are good; indeed, it is right to rest our hopes not on a belief in his blunders, but on the soundness of our provisions. Nor ought we to believe that there is much difference between man and man, but to think that the superiority lies with him who is reared in the severest school.
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Ignorance produces rashness, reflection timidity
By day certainly the combatants have a clearer notion, though even then by no means of all that takes place, no one knowing much of anything that does not does not go on in his own immediate neighborhood; but in a night engagement (and this was the only one that occurred between great armies during the war) how could anyone know anything for certain?
The dead lay unburied, and each man as he recognized a friend among them shuddered with grief and horror; while the living whom they were leaving behind, wounded or sick, were to the living far more shocking than the dead, and more to be pitied than those who had perished.

