John 15:22

If I had not come and spoken to them, they would not have sin. But now they do not have a valid excuse for their sin.

John 9:41

Jesus said to them, "If you were blind, you would not have sin. But now you say, 'We see,' your sin remains.

Romans 1:20

For from the creation of the world, his invisible [attributes], both his eternal power and deity, are discerned clearly, being understood in the things created, so that they are without excuse.

Ezekiel 2:5

And they, whether they listen or whether they fail [to listen], for they [are] a rebellious house, they will know that a prophet was in their midst.

Ezekiel 33:31-33

And they come to you {as people do}, and they sit {before you}, and my people hear your words, and they do not do them, for they [are] showing passion in their mouth, but their heart [is] going after ill-gotten gain.

Luke 12:46

the master of that slave will come on a day that he does not expect and at an hour that he does not know, and will cut him in two and assign his place with the unbelievers.

John 3:18-21

The one who believes in him is not judged, but the one who does not believe has already been judged, because he has not believed in the name of the one and only Son of God.

John 12:48

The one who rejects me and does not accept my words has one who judges him; the word that I have spoken will judge him on the last day.

John 19:11

Jesus replied to him, "You would not have any authority over me unless it was given to you from above. For this [reason] the one who handed me over to you has greater sin."

Acts 17:30

Therefore [although] God has overlooked the times of ignorance, he now commands all people everywhere to repent,

Romans 2:1

Therefore you are without excuse, O man, every one [of you] who passes judgment. For in that which you pass judgment on someone else, you condemn yourself, for you who are passing judgment are doing the same [things].

2 Corinthians 2:14-16

But thanks [be] to God, who always leads us in triumphal procession in Christ, and who reveals the fragrance of the knowledge of him through us in every place.

Hebrews 6:4-8

For [it is] impossible [concerning] those who have once been enlightened, and have tasted the heavenly gift, and become sharers of the Holy Spirit,

James 4:17

Therefore, to the one who knows to do good and does not do [it], to him it is sin.

1 Peter 2:16

[Live] as free [persons], and not using your freedom as a covering for evil, but as slaves of God.

Treasury of Scripture Knowledge

Summary

If I had not come and spoken unto them, they had not had sin: but now they have no cloke for their sin.

General references

Bible References

Cloke

Romans 1:20
For from the creation of the world, his invisible [attributes], both his eternal power and deity, are discerned clearly, being understood in the things created, so that they are without excuse.
Romans 2:1
Therefore you are without excuse, O man, every one [of you] who passes judgment. For in that which you pass judgment on someone else, you condemn yourself, for you who are passing judgment are doing the same [things].
1 Peter 2:16
[Live] as free [persons], and not using your freedom as a covering for evil, but as slaves of God.

General references

Luke 10:14
But it will be more bearable for Tyre and for Sidon in the judgment than for you!
John 16:9
concerning sin, because they do not believe in me,
James 4:17
Therefore, to the one who knows to do good and does not do [it], to him it is sin.