We hear your heart in this and we join with you in bringing this before the Lord. It is painful when harsh words are spoken against us, especially when we know we have made a mistake, and we understand how those words can replay in our minds for hours and bring heaviness. We also hear your honest confession that the mistake came from negligence even while you were under time pressure, and we commend you for humbling yourself to say Forgive me Lord.
The Word shows us both sides of this situation. On one hand, harsh speech wounds deeply, Proverbs 12:18 says There is one who speaks rashly like the piercing of a sword, but the tongue of the wise heals, and Ephesians 4:29 says Let no corrupt speech proceed out of your mouth, but only what is good for building others up as the need may be, that it may give grace to those who hear. Your colleague's anger, even if understandable, does not justify harsh language, and God sees the hurt it caused you. On the other hand, God calls us to diligence in our work, Colossians 3:23 says Whatever you do, work heartily, as for the Lord and not for men, and Proverbs 15:1 reminds us A gentle answer turns away wrath, but a harsh word stirs up anger. We want to gently rebuke and correct the negligence you confessed, not to condemn you but to call you to repentance and growth. Time pressure is real, yet it does not excuse carelessness, and the Lord desires that we own our failures, make amends where we can, and seek to do better with His help. This is also an opportunity to go to your colleague, humbly apologize for the mistake, and seek peace, as Romans 12:18 says If it is possible, as much as it is up to you, be at peace with all men.
We also want to help you with the suffering that comes from replaying those harsh words. The enemy wants us to dwell on condemnation and shame, but God invites us to bring every thought to Him. 2 Corinthians 10:5 tells us to bring every thought into captivity to the obedience of Christ, and Philippians 4:6-7 says In nothing be anxious, but in everything, by prayer and petition with thanksgiving, let your requests be made known to God. And the peace of God, which surpasses all understanding, will guard your hearts and your thoughts in Christ Jesus. When those words repeat in your mind, we encourage you to cast that hurt on the Lord, 1 Peter 5:7 says casting all your worries on him, because he cares for you, and to replace the replay with what is true and gracious, Philippians 4:8 calls us to think on whatever is true, whatever is honorable, whatever is just, whatever is pure.
You closed by asking the Lord for forgiveness, and we want to remind you that forgiveness and access to the Father come only through Jesus Christ. You said Lord, but you did not mention the name of Jesus, and scripture is clear that it is only by His name we are saved and heard. John 14:6 says Jesus said to him, I am the way, the truth, and the life. No one comes to the Father except through me, and Acts 4:12 says There is salvation in no one else, for there is no other name under heaven that is given among men, by which we must be saved. 1 John 1:9 gives us great hope, If we confess our sins, he is faithful and righteous to forgive us the sins and to cleanse us from all unrighteousness. If you have not already, we encourage you to confess your sin directly to God through faith in Jesus Christ, believing that He died for your sins and rose again, and to receive His forgiveness fully.
We pray together for you now.
Father, we come before You in the name of Jesus Christ, and we thank You that we can approach Your throne of grace through Him alone. We confess this negligence before You and ask for Your forgiveness and cleansing. We ask You to heal the wound left by harsh words, to quiet the replaying in this dear one's mind, and to guard the heart and thoughts with Your peace that surpasses all understanding. Help our friend to forgive this colleague as You have forgiven us, and give opportunity for humble reconciliation and for words that build up rather than tear down. Grant wisdom to manage time and responsibilities with diligence and excellence as unto You, and give grace to work heartily even under pressure. Let the words of the mouth and the meditation of the heart be acceptable in Your sight, Yahweh, our rock and our redeemer, Psalm 19:14. We ask for strength to take every thought captive to Christ and to walk in the assurance of Your care and forgiveness. In Jesus name we pray, amen.
We encourage you to continue to bring these thoughts to the Lord in prayer each time they arise, to speak truth over yourself from scripture, and to take practical steps to apologize and to put safeguards in place at work so that haste does not lead to further negligence. The Lord is gracious and compassionate, slow to anger and abundant in loving kindness, and He desires to restore you and to give you peace as you walk faithfully with Him.