We've found 3 phrases for peaceful (0.131 seconds):

at peace »    Free of worries; peaceful.

live by the sword, die by the sword »    One who uses violence can expect a violent response. It is better to try to use peaceful means wherever possible.(figuratively) One can expect dire outcomes from any vice; used to convey poetic justice.

wolf in sheep's clothing »    Something harmful or problematic disguised as something peaceful or pleasant.

BTW, Why won't you become an editor?