"Even on the threshold of war, we [Jews] are bidden to begin in no other way than with peace, for it is written: “When you draw near a city to fight, first offer it peace.”" ~~ Midrash Leviticus R. 9
"War is a bad and contemptible thing, but people at war are sometimes better than in everyday life." ~~ Ze’ev Vladimir Jabotinsky
"A time for war and a time for peace." ~~ Ecclesiastes (Kohelet) 3:8
"Retreat heralds defeat." ~~ Talmud, Sota
"A hero is only revealed in combat." ~~ Musar Hapilosofim