Ujjhānasaññisutta

sn1.35:11.1 If you don’t give your pardon

sn1.35:11.2 when a mistake is confessed,

sn1.35:11.3 with hidden anger and heavy hate,

sn1.35:11.4 you’re stuck in your enmity.

sn1.35:11.5 I don’t approve of such enmity,

sn1.35:11.6 and so I pardon your mistake.”