To wage war means to initiate and conduct armed conflict against a state or group. Figuratively, it describes launching an intense campaign against a problem or rival.
The theoretically unrestricted right to develop power, to wage war against other states, is antisocial and is doubly dangerous, because the state as a mass entity represents a low moral and intellectual level. Christian Lous Lange
From time immemorial, people have talked about peace without achieving it. Do we simply lack enough experience? Though we talk peace, we wage war. Sometimes we even wage war in the name of peace.. . . War may be too much a part of history to be eliminated-ever. Elie Wiesel
We humans are conflicted beings. Our beliefs don't always harmonize with our instincts, and our behavior doesn't always reflect our beliefs.... We wage war between the person we are and the person we hope to become. Brandon Mull
You cannot wage war without the sound of gunpowder. Malian Proverb
It is easier to wage war with wise enemies than be at peace with foolish friends. Afghan Proverb
Make peace with people; wage war with your sins. Russian Proverb