James 4:17

15 For that ye ought to say, If the Lord will, we shall live, and do this, or that.

16 But now ye rejoice in your boastings: all such rejoicing is evil.

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

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB
Anyone, then, who knows the right thing to do, yet fails to do it, is guilty of sin.
KJV
Therefore to him that knoweth to do good, and doeth it not, to him it is sin.
WEB
To him therefore who knows to do good and doesn’t do it, to him it is sin.
ASV
To him therefore that knoweth to do good, and doeth it not, to him it is sin.
DARBY
To him therefore who knows how to do good, and does it not, to him it is sin.
BLB
Therefore to the one knowing to do good, and not doing [it], to him it is sin.
ÅB
Den som altså vet å gjøre godt og ikke gjør det, han har synd av det.
OTB
Derfor, hvis noen vet hva godt de burde gjøre og ikke gjør det, er det synd for dem.
B1930
Den som altså vet å gjøre godt og ikke gjør det, han har synd av det.

Study notes (Tyndale)

Original text and word study

Cross references

  • John 9:41

    Jesus said unto them, If ye were blind, ye should have no sin: but now ye say, We see; therefore your sin remaineth.

    Read in context
  • John 13:17

    If ye know these things, happy are ye if ye do them.

    Read in context
  • John 15:22

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

    Read in context
  • 2 Peter 2:21

    For it had been better for them not to have known the way of righteousness, than, after they have known it, to turn from the holy commandment delivered unto them.

    Read in context
  • Luke 12:47–48

    And that servant, which knew his lord’s will, and prepared not himself, neither did according to his will, shall be beaten with many stripes.

    Read in context
  • Romans 1:32

    Who knowing the judgment of God, that they which commit such things are worthy of death, not only do the same, but have pleasure in them that do them.

    Read in context
  • Romans 2:17–23

    Behold, thou art called a Jew, and restest in the law, and makest thy boast of God,

    Read in context
  • Romans 1:20–21

    For the invisible things of him from the creation of the world are clearly seen, being understood by the things that are made, even his eternal power and Godhead; so that they are without excuse:

    Read in context