Be careful, dear friends, that you do not misrepresent God yourselves. You who murmur; you who say that God deals hardly with you, you give God an ill character; when you look so melancholy, worldlings say, "The religion of Jesus is intolerable;" and so you stain the honor of God.
Author: Charles Spurgeon Source: A Jealous God, Sermon 502, March 29, 1863.
Acrid bitterness inevitably seeps into the lives of people who harbor grudges and suppress anger, and bitterness is always a poison. It keeps your pain alive instead of letting you deal with it and get beyond it. Bitterness sentences you to relive the hurt over and over.
The medical evidence is clear and mounting. It's no exaggeration to say that bitterness is a dangerous drug in any dosage and that your very health is at risk if you stubbornly persist in being unforgiving.
If you're a follower of Jesus but you feel distant from him during this era of your life, if you're having difficulty resting easy in his forgiveness, could it be because you're blatantly refusing to let go of your animosity toward another person.
Bitterness arises in our hearts when we do not trust in the sovereign rule of God in our lives
Author: Jerry Bridges Source: The Pursuit of Holiness, p. 120.
Uncontrolled temper is soon dissipated on others. Resentment, bitterness, and self-pity build up inside our hearts and eat away at our spiritual lives like a slowly spreading cancer.
Author: Jerry Bridges Source: The Practice of Godliness, p. 141.