'Peaceful' in the Bible

but let it be [the inner beauty of] the hidden person of the heart, with the imperishable quality and unfading charm of a gentle and peaceful spirit, [one that is calm and self-controlled, not overanxious, but serene and spiritually mature] which is very precious in the sight of God.

“He must turn away from wickedness and do what is right.He must search for peace [with God, with self, with others] and pursue it eagerly [actively—not merely desiring it].