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
Convictions are more dangerous foes of truth than lies. - Friedrich Nietzsche
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
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
Our greatest foes, and whom we must chiefly combat, are within. - Miguel de Cervantes
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
Are we friends? or are we foes? ... That kind of thing... You decide... For yourselves!!! - Eiichiro Oda