Who will be so insane as to prefer to join those who try to enslave than to be in company with you who are fighting for their freedom

Who will be so insane as to prefer to join those who try to enslave than to be in company with you who are fighting for their freedom? Isocrates. Plataicus. Speech 14. Section 43.

Image: Seal impression of Achaemenid King killing a Greek Hoplite. Seal dated to the period of Darius and Xerxes (522 - 465 BCE). Courtesy of Wikimedia Commons contributor Marco Prins (digitally enhanced).