Who said "War cannot be avoided unless at the cost of slavery."?

This quote is attributed to Julius Caesar.

War cannot be avoided unless at the cost of slavery. - Julius Caesar

"War cannot be avoided unless at the cost of slavery."

Julius Caesar War

Military General Roman 100–44

"The die is cast."

"I came, I saw, I conquered."

"Cowards die many times before their deaths."

"Men willingly believe what they wish."

"Some battles are worth fighting."

"Sometimes you have to become the monster to stop the monsters."

"Skynet sent me back through time to kill you."

"War teaches us the value of peace."