What made the war inevitable was the growth of Athenian power and the fear which this caused in Sparta.
ThucydidesIn generosity we are equally singular, acquiring our friends by conferring, not by receiving, favours.
ThucydidesTo be an object of hatred and aversion to their contemporaries has been the usual fate of all those whose merit has raised them above the common level. The man who submits to the shafts of envy for the sake of noble objects pursues a judicious course for his own lasting fame. Hatred dies with its object, while merit soon breaks forth in full splendor, and his glory is handed down to posterity in never-dying strains.
Thucydides