Luke 5:8-9
When Simon Peter saw it, he fell down at Jesus' knees, saying, "Depart from me, for I am a sinful man, O Lord!"
Matthew 12:34-37
You brood of vipers! how can you speak good, when you are evil? For out of the abundance of the heart the mouth speaks.
James 3:1-2
Let not many of you become teachers, my brethren, for you know that we who teach will be judged with greater strictness.
James 3:6-10
And the tongue is a fire, a world of evil among the members of the body. The tongue corrupts our whole person, sets the whole course of our life on fire, and is itself set on fire by hell.
Revelation 1:5-7
and from Jesus Christ, who is the faithful witness, the firstborn from the dead, and the ruler of the kings of the earth. To him who loves us and has freed us from our sins by his blood,
Revelation 1:16-17
he held in his right hand seven stars, out of his mouth went a sharp two-edged sword, and his face was like the sun shining in its strength.