History of the Peloponnesian War

we have therefore every reason to expect them to risk a battle, if they have not already set out before we are yet there, at any rate when they see us in their territory laying it waste and destroying their property.

For with all men, when they suffer an unwonted calamity, it is the sight set then and there before their eyes which makes them angry, and when they are angry they do not pause to think but rush into action.