Revelation 2:21-23

21I have given her time to repent of her immorality, but she is unwilling. 22So I will cast her on a bed of suffering, and I will make those who commit adultery with her suffer intensely, unless they repent of her ways.

23I will strike her children dead. Then all the churches will know that I am he who searches hearts and minds, and I will repay each of you according to your deeds.