John 15:22

If I had not come and been their teacher they would have had no sin: but now they have no reason to give for their sin.

John 9:41

Jesus said to them, If you were blind you would have no sin: but now that you say, We see; your sin is there still.

Romans 1:20

For from the first making of the world, those things of God which the eye is unable to see, that is, his eternal power and existence, are fully made clear, he having given the knowledge of them through the things which he has made, so that men have no reason for wrongdoing:

Ezekiel 2:5

And they, if they give ear to you or if they do not give ear (for they are an uncontrolled people), will see that there has been a prophet among them.

Ezekiel 33:31-33

And they come to you as my people come, and are seated before you as my people, hearing your words but doing them not: for deceit is in their mouth and their heart goes after profit for themselves.

Luke 12:46

The lord of that servant will come at a time when he is not looking for him, and at an hour when he is not ready for him, and he will have him cut in two and will give him his part in the fate of those who have no faith;

John 3:18-21

The man who has faith in him does not come up to be judged; but he who has no faith in him has been judged even now, because he has no faith in the name of the only Son of God.

John 12:48

He who puts me on one side and does not take my words to heart, is not without a judge: the word which I have said will be his judge on the last day.

John 19:11

Jesus gave this answer: You would have no power at all over me if it was not given to you by God; so that he who gave me up to you has the greater sin.

Acts 17:30

Those times when men had no knowledge were overlooked by God; but now he gives orders to all men in every place to undergo a change of heart:

Romans 2:1

So you have no reason, whoever you are, for judging: for in judging another you are judging yourself, for you do the same things.

2 Corinthians 2:14-16

But praise be to God who makes us strong to overcome in Christ, and makes clear through us in every place the value of the knowledge of him.

Hebrews 6:4-8

As for those who at one time saw the light, tasting the good things from heaven, and having their part in the Holy Spirit,

James 4:17

The man who has knowledge of how to do good and does not do it, to him it is sin.

1 Peter 2:16

As those who are free, not using your free position as a cover for wrongdoing, but living as the servants 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 first making of the world, those things of God which the eye is unable to see, that is, his eternal power and existence, are fully made clear, he having given the knowledge of them through the things which he has made, so that men have no reason for wrongdoing:
Romans 2:1
So you have no reason, whoever you are, for judging: for in judging another you are judging yourself, for you do the same things.
1 Peter 2:16
As those who are free, not using your free position as a cover for wrongdoing, but living as the servants of God;

General references

Luke 10:14
But it will be better for Tyre and Sidon, in the day of judging, than for you.
John 16:9
Of sin, because they have not faith in me;
James 4:17
The man who has knowledge of how to do good and does not do it, to him it is sin.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain