Luke 6:41

And why do you see the speck in your brother's eye, and observe not the beam in your own eye?

John 8:7

And when they continued asking him, rising up, he said to them, Let him that has not sinned among you first cast the stone at her.

Matthew 7:3-5

And why do you see a speck in your brother's eye, and not consider a beam in your own eye?

John 8:40-44

but now you seek to kill me, a man who has told you the truth, which I have heard from God; Abraham did not do this.

Romans 2:1

Wherefore you are inexcusable, O man, whoever you are that judge, for in that in which you judge another you condemn yourself; for you who judge do the same things.

Romans 2:21-24

you that teach another, do you not teach yourself? You that preach not to steal, do you steal?

James 1:24

for he perceived himself, and went away, and immediately forgot what kind of a man he was.

Treasury of Scripture Knowledge

Summary

And why beholdest thou the mote that is in thy brother's eye, but perceivest not the beam that is in thine own eye?

Bible References

Why

Matthew 7:3
And why do you see a speck in your brother's eye, and not consider a beam in your own eye?
Romans 2:1
Wherefore you are inexcusable, O man, whoever you are that judge, for in that in which you judge another you condemn yourself; for you who judge do the same things.

But

John 8:7
And when they continued asking him, rising up, he said to them, Let him that has not sinned among you first cast the stone at her.
James 1:24
for he perceived himself, and went away, and immediately forgot what kind of a man he was.