Verb
commence hostilities
Source: WordNetVictorious warriors win first and then go to war, while defeated warriors go to war first and then seek to win. Sun Tzu
I am not only a pacifist but a militant pacifist. I am willing to fight for peace. Nothing will end war unless the people themselves refuse to go to war. Albert Einstein
If you can't afford to take care of your # veterans, then don't go to war. Bernie Sanders
He who doesn't go to war roars like a lion. Persian Proverb
Advise no one to go to war or to marry. Spanish Proverb
Those who do not go to war roar like lions. Kurdish Proverb