James 4:17

So whoever knows what is good to do and does not do it is guilty of sin.

John 9:41

Jesus replied, "If you were blind, you would not be guilty of sin, but now because you claim that you can see, your guilt remains."

Luke 12:47-48

That servant who knew his master's will but did not get ready or do what his master asked will receive a severe beating.

John 13:17

If you understand these things, you will be blessed if you do them.

John 15:22

If I had not come and spoken to them, they would not be guilty of sin. But they no longer have any excuse for their sin.

Romans 1:20-21

For since the creation of the world his invisible attributes -- his eternal power and divine nature -- have been clearly seen, because they are understood through what has been made. So people are without excuse.

Romans 1:32

Although they fully know God's righteous decree that those who practice such things deserve to die, they not only do them but also approve of those who practice them.

Romans 2:17-23

But if you call yourself a Jew and rely on the law and boast of your relationship to God

Romans 7:13

Did that which is good, then, become death to me? Absolutely not! But sin, so that it would be shown to be sin, produced death in me through what is good, so that through the commandment sin would become utterly sinful.

2 Peter 2:21

For it would have been better for them never to have known the way of righteousness than, having known it, to turn back from the holy commandment that had been delivered to them.

Treasury of Scripture Knowledge

Summary

Therefore to him that knoweth to do good, and doeth it not, to him it is sin.

Bible References

General references

Luke 12:47
That servant who knew his master's will but did not get ready or do what his master asked will receive a severe beating.
John 9:41
Jesus replied, "If you were blind, you would not be guilty of sin, but now because you claim that you can see, your guilt remains."
John 13:17
If you understand these things, you will be blessed if you do them.
John 15:22
If I had not come and spoken to them, they would not be guilty of sin. But they no longer have any excuse for their sin.
Romans 1:20
For since the creation of the world his invisible attributes -- his eternal power and divine nature -- have been clearly seen, because they are understood through what has been made. So people are without excuse.
Romans 2:17
But if you call yourself a Jew and rely on the law and boast of your relationship to God
Romans 7:13
Did that which is good, then, become death to me? Absolutely not! But sin, so that it would be shown to be sin, produced death in me through what is good, so that through the commandment sin would become utterly sinful.

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