After Laban catches up to Jacob, and derides Jacob, Jacob responds with the plain truth. Jacob has endured mistreatment from Laban for up to 20 years, and God has been a witness to it all. The agreements Laban made multiple times with Jacob, according to Laban, meant nothing.
Additional scripture: Matthew 12:34, Ephesians 4:26-27, 31, 1 Peter 5:5, James 4:12, Matthew 5:38-42, 43-46a