Where it appears

• Acts 8:23For I see that you are in the poison of bitterness and in the bondage of iniquity.”
• Rom 3:14“whose mouth is full of cursing and bitterness.”
• Eph 4:31Let all bitterness, wrath, anger, outcry, and slander, be put away from you, with all malice.
• Heb 12:15looking carefully lest there be any man who falls short of the grace of God; lest any root of bitterness springing up trouble you, and many be defiled by it;