Trusting in the Lord and the promises that are part of trusting Him.
John 14:27 Peace I leave with you, my peace I give unto you: not as the world giveth, give I unto you. Let not your heart be troubled, neither let it be afraid.
Isaiah 55:12 For ye shall go out with joy, and be led forth with peace: the mountains and the hills shall break forth before you into singing, and all the trees of the field shall clap their hands.
Psalms 4:8 I will both lay me down in peace, and sleep: for thou, LORD, only makest me dwell in safety.
Bible KJV verses
Picture is mine taken at Melbourne, FL beach