"know peace" is correct and usable in written English.
You can use it when you want to emphasize peaceful feelings or intentions. Example: May we all know peace in this difficult time.
But, you know, peace of mind.
These men waged war so that we might know peace.
Residents of Uribe know peace won't be easy.
"There was time neither to feel fear nor to know peace.
Will he grow up to know peace, unlike the generation of children now coming of age?
If Shostakovich never knew real joy, this performance suggested, he did sometimes know peace.
Every week, there would be a few minutes set aside for us to shake hands with people we didn't know -- "Peace be with you".
"We cannot know peace or security if one in eight people are hungry".
Then, perhaps they will join us and the world will know peace.
Jimi Hendrix once said, "When the power of love overcomes the love of power, the world will know peace".
Making education entertaining led Zahirah abdul-Wakil, a graphic designer in Largo, Md., to create the Bingo-style Know Islam Know Peace for home-schooling her children.
