James 4:17
Therefore, to him that knows how to do good, and does it not, to him it is sin.
John 9:41
Jesus said to them: If you were blind, you would not have sin; but now you say, We see; therefore your sin remains.
Luke 12:47-48
And that servant who knew his lord's will, but made no preparation, nor did according to his will, shall be beaten with many stripes;
John 13:17
If you know these things, blessed are you, if you do them.
John 15:22
If I had not come and spoken to them, they would not have had sin; but now they have no excuse for their sin.
Romans 1:20-21
(for, since the creation of the world, his attributes, which are invisible, are clearly seen, being perceived through the things that are made, both his eternal power and divinity,) that they may be without excuse;
Romans 1:32
who, acknowledging the judgment of God, that those who practice such things are worthy of death, not only do them, but approve those who practice them.
Romans 2:17-23
But if you are named Jew, and rest in the law, and make your boast in God.
Romans 7:13
Has, then, that which is good become death to me? It can not be. But sin, that it, might appear sin, was causing death to me through that which is good, in order that sin, through the commandment, might become exceedingly sinful.
2 Peter 2:21
For it would be better for them not to have known the way of righteousness, than, after having known it, to turn from the holy commandment delivered to them.