Men of sense often learn from their enemies. It is from their foes, not their friends, that cities learn the lesson of building high walls and ships of war . . . - Aristophanes
Our greatest foes, and whom we must chiefly combat, are within. - Miguel de Cervantes
Are we friends? or are we foes? ... That kind of thing... You decide... For yourselves!!! - Eiichiro Oda
Convictions are more dangerous foes of truth than lies. - Friedrich Nietzsche
My candle burns at both endsIt will not last the night;But ah, my foes, and oh, my friends -It gives a lovely light. - Edna St. Vincent Millay
A struggle with infuriated foes is always bearable, but God preserve us from the terrible battle with one's friends. Everything that is in us gets broken by it. - Nikolai Gogol
If you dreamed to have a tranquil life then do not bother either exasperate or infuriate other's life. Dreaming a tranquil life is good but you cannot surmount it if you have a lot of foes indeed. - Albert Subrado
Although you may spend your life killing, you will not exhaust all your foes. But if you quell your own anger, your real enemy will be slain. - Nāgārjuna
If you are foe, we do not fear you. If you are friend, your foes will be taught the fear of us. - C.S. Lewis