Matthew 7:1-2
"Stop criticizing others, so that you may not be criticized yourselves.
Luke 6:37-38
Then stop criticizing others, and you will never be criticized; stop condemning others, and you will never be condemned.
Romans 2:15
for they show that the deeds the law demands are written on their hearts, because their consciences will testify for them, and their inner thoughts will either accuse or defend them,
James 2:13
For merciless judgment will be the portion of the merciless man; yet mercy will triumph over judgment.
Revelation 13:10
Whoever leads others into captivity will go into captivity himself. Whoever kills with the sword must be killed with the sword himself. In this way will be shown the patient endurance and the fidelity of God's people.
Revelation 16:6
Because they have shed the blood of your people and prophets, you have given them blood to drink; they deserve it."