Pursue peace with everyone, and holiness-without it no one will see the Lord.
References for Hebrews 12:14
See to it that no one falls short of the grace of God and that no root of bitterness springs up, causing trouble and by it, defiling many.
References for Hebrews 12:15
And see that there isn't any immoral or irreverent person like Esau, who sold his birthright in exchange for one meal.
For you know that later, when he wanted to inherit the blessing, he was rejected because he didn't find any opportunity for repentance, though he sought it with tears.
References for Hebrews 12:17