Leave the past…
Ephesians 4:31 (NKJV)
Let all bitterness, wrath, anger, clamor, and evil speaking be put away from you, with all malice.
Stay on this side of the line…
Ephesians 4:32 (NKJV)
32 And be kind to one another, tenderhearted, forgiving one another, just as God in Christ forgave you.