For these reasons or reasons very like them he was killed who, of all the Hellenes in my time, least deserved to come to so miserable an end, since t… - Thucydides

I am the same as I was, and do not alter; it is you who have changed. What has happened is this: you took my advice when you were still untouched by misfortune, and repented of your action when things went badly with you; it is because your own resolution is weak that my policy appears to you to be mistaken.

(Pericles:) We ought not to be troubled about them (houses and lands) or to think much of them in comparison; they are only the garden of the house, the superfluous ornament of wealth; and you may be sure that if we cling to our freedom and preserve that, we shall soon enough recover all the rest.But, if we are the servants of others, we shall be sure to lose not only freedom, but all that freedom gives.

(Book 2 Chapter 62.3)

The Spartans meanwhile, man to man, and with their war songs in the ranks, exhorted each brave comrade to remember what he had learned before; well aware that the long training of action was of more use for saving lives than any brief verbal exhortation, though ever so well delivered.