Here each individual is interested not only in his own affairs, but in the affairs of the state as well: even those who are mostly occupied with their own business are extremely well-informed on general politics–this is a peculiarity of ours: we do not say that a man who takes no interest in politics is a man who minds his own business; we say that he has no business here at all.
— Pericles’ Funeral Oration in Thuycdides’ History of the Peloponnesian War