John 15:22

Had I not come and spoken to them, they would not have had sin: but now they have no excuse for their sin.

John 9:41

Jesus said to them, If ye were blind, ye should not have had sin: but now ye say, We see; therefore your sin is permanent.

Romans 1:20

For from the creation of the world his invisible perfections, discoverable in the works that are made, are clearly seen, even his eternal power and deity; so that they are inexcusable:

Luke 12:46

the master of that servant will come in a day when he doth not expect him, and at an hour which he knoweth not, and shall cut him asunder, and give him his portion with the unfaithful.

John 3:18-21

He that believeth on him is not condemned: but he that believeth not is already under condemnation, because he hath not believed on the name of the only begotten Son of God.

John 12:48

He that sets me at nought, and receiveth not my words, hath one that judgeth him: even the word which I have spoken, the same shall judge him at the last day.

John 19:11

Jesus answered, Thou wouldest have had no authority over me, unless it had been given thee from above: for this reason, he that hath delivered me up to thee hath the greater crime.

Acts 17:30

These times indeed of ignorance God then overlooked; but he now commands all men in every place to repent:

Romans 2:1

THEREFORE thou art inexcusable, O man, even every one that judgeth: for in the very thing wherein thou judgest another, thou condemnest thyself; for thou that judgest art living in the practices of the same things.

2 Corinthians 2:14-16

But thanks be to God, who causeth us always to triumph in Christ, and maketh manifest the savour of his knowledge by us in every place.

Hebrews 6:4-8

For it is not possible to renew again unto repentance those who have been once illuminated, and have tasted the celestial gift, and have been made partakers of the Holy Ghost,

James 4:17

Therefore if a man knoweth how to act properly, and doth not, he is criminal.

1 Peter 2:16

as free, yet not using liberty as a cloak for wicked practices; but as being 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 creation of the world his invisible perfections, discoverable in the works that are made, are clearly seen, even his eternal power and deity; so that they are inexcusable:
Romans 2:1
THEREFORE thou art inexcusable, O man, even every one that judgeth: for in the very thing wherein thou judgest another, thou condemnest thyself; for thou that judgest art living in the practices of the same things.
1 Peter 2:16
as free, yet not using liberty as a cloak for wicked practices; but as being servants of God.

General references

Luke 10:14
But it shall be more tolerable for Tyre and Sidon in the judgment than for you.
John 16:9
of sin first, because they believe not in me;
James 4:17
Therefore if a man knoweth how to act properly, and doth not, he is criminal.