Genesis 4:7

⁵ but He had no regard for Cain and his offering. So Cain became very angry, and his countenance fell.

⁶ “Why are you angry,” said the LORD to Cain, “and why has your countenance fallen?

If you do what is right, will you not be accepted? But if you refuse to do what is right, sin is crouching at your door; it desires you, but you must master it.”

⁸ Then Cain said to his brother Abel, “Let us go out to the field.” And while they were in the field, Cain rose up against his brother Abel and killed him.

⁹ And the LORD said to Cain, “Where is your brother Abel?” “I do not know!” he answered. “Am I my brother’s keeper?”

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

Compare

BSB: If you do what is right, will you not be accepted? But if you refuse to do what is right, sin is crouching at your door; it desires you, but you must master it.”
KJV: If thou doest well, shalt thou not be accepted? and if thou doest not well, sin lieth at the door. And unto thee shall be his desire, and thou shalt rule over him.
WEB: If you do well, won’t it be lifted up? If you don’t do well, sin crouches at the door. Its desire is for you, but you are to rule over it.”
ASV: If thou doest well, shall it not be lifted up? and if thou doest not well, sin coucheth at the door: and unto thee shall be its desire, but do thou rule over it.
DARBY: If thou doest well, will not [thy countenance] look up [with confidence]? and if thou doest not well, sin lieth at the door; and unto thee [shall be] his desire, and thou shalt rule over him.
BLB: Is it not [that] if you do well, [there is] elevation? But if you do not do well, sin is crouching at the door; and its desire [is] for you, and you must rule over it.”

ÅB: Er det ikke så at dersom du har godt i sinne, da kan du løfte opp ditt ansikt? Men har du ikke godt i sinne, da ligger synden på lur ved døren, og dens attrå står til deg, men du skal være herre over den.
OTB: Hvis du gjør det som er rett, vil du ikke bli akseptert? Men hvis du ikke gjør det som er rett, ligger synden på lur ved døren; den ønsker å ha deg, men du må herske over den."
B1930: Er det ikke så at dersom du har godt i sinne, da kan du løfte op ditt ansikt? Men har du ikke godt i sinne, da ligger synden på lur ved døren, og dens attrå står til dig, men du skal være herre over den.

Study notes (Tyndale)

Original text and word study

Cross references

James 1:15
Then after desire has conceived, it gives birth to sin; and sin, when it is full-grown, gives birth to death.
Read in context
Romans 2:6–10
God “will repay each one according to his deeds.”
Read in context
Isaiah 3:10–11
Tell the righteous it will be well with them, for they will enjoy the fruit of their labor.
Read in context
Romans 6:16
Do you not know that when you offer yourselves as obedient slaves, you are slaves to the one you obey, whether you are slaves to sin leading to death, or to obedience leading to righteousness?
Read in context
Hebrews 11:4
By faith Abel offered God a better sacrifice than Cain did. By faith he was commended as righteous when God gave approval to his gifts. And by faith he still speaks, even though he is dead.
Read in context
Numbers 32:23
But if you do not do this, you will certainly sin against the LORD—and be assured that your sin will find you out.
Read in context
Romans 7:8–9
But sin, seizing its opportunity through the commandment, produced in me every kind of covetous desire. For apart from the law, sin is dead.
Read in context
Romans 12:1
Therefore I urge you, brothers, on account of God’s mercy, to offer your bodies as living sacrifices, holy and pleasing to God, which is your spiritual service of worship.
Read in context