12 Therefore, since through one man sin entered into the world, and death by sin; so death spread to all men, for all have sinned:
Romans 5:12 Cross References - RKJNT
Romans 3:23
23 For all have sinned, and fall short of the glory of God;
Romans 5:14-17
14 Nevertheless death reigned from Adam to Moses, even over those who had not sinned in the same way as Adam, who is the pattern of him who was to come.
15 But the free gift is not like the offence. For if through the offence of the one many died, how much more did the grace of God, and the gift that came by the grace of the one man, Jesus Christ, overflow to many.
16 And the effect of the gift is not like the effect of the one who sinned, judgment following one trespass and resulting in condemnation; but the free gift came following many offences and resulted in justification.
17 For if by one man's offence death reigned through that one; much more shall those who receive abundance of grace and the gift of righteousness reign in life through the one, Jesus Christ.
Romans 5:19
19 For just as by one man's disobedience many were made sinners, so by the obedience of one shall many be made righteous.
Romans 5:21
21 So that as sin has reigned in death, even so might grace reign through righteousness to bring eternal life through Jesus Christ our Lord.
Romans 6:23
23 For the wages of sin is death; but the gift of God is eternal life through Christ Jesus our Lord.
1 Corinthians 15:21-22
James 1:15
15 Then when lust has conceived, it brings forth sin: and sin, when it is fully-grown, brings forth death.
James 3:2
2 For we all stumble in many ways. If any man does not stumble in his words, he is a perfect man, and able also to bridle his whole body.