they go low, we go high

a phrase that basically means "don't stoop to the level of a jerk"

it'll be ok. they go low, we go high.

when they go low, we go high

Used to indicate an unwillingness to stoop to an adversary's incivility or violence

No, our motto is, when they go low, we go high. With every word we utter, with every action we take, we know our kids are watching us

-Michelle Obama