Where's the point in fighting and slaying if you can make a friend out of anybeast instead of a foe?
TaggerungIt needs but one foe to breed a war, and those who have not swords can still die upon them.
J.R.R. TolkienTrust not yourself; but your defects to know, Make use of ev'ry friend—and ev'ry foe.
An Essay on CriticismNot all of your foes will appear in their true form. You must learn to trust your instincts.
Amber SmokeOnly the king that has succeeded in subduing his senses is competent to resist his foes.
Leadership Secrets From The MahabharataWhen you surround an army, leave an outlet free. Do not press a desperate foe too hard.
The Art of WarHere is he laid to whom for daring deed, nor friend nor foe could render worthy meed.
Quintus Ennius