Hebrews 2:3

how shall we escape, if we neglect so great a salvation? which began to be declared by the Lord, and was confirmed to us by them that heard Him;

Hebrews 6:6

and the powers of the gospel-age, and yet fall away, should be renewed again to repentance: since they again crucify to themselves the Son of God, and make an open example of Him.

Hebrews 9:28

so Christ, having been once offered to bear the sins of many, shall appear the second time without sin, to those who are waiting for Him, unto salvation.

Hebrews 10:26-29

For if we sin wilfully after having received the knowledge of the truth, there remaineth no more sacrifice for sins;

Hebrews 12:25

See that ye reject not Him that speaketh; for if they escaped not, who rejected him that gave forth divine oracles on earth, much less shall we, if we turn away from Him that speaketh from heaven:

Treasury of Scripture Knowledge

Summary

But the man that is clean, and is not in a journey, and forbeareth to keep the passover, even the same soul shall be cut off from among his people: because he brought not the offering of the LORD in his appointed season, that man shall bear his sin.

Bible References

Forbeareth

Hebrews 2:3
how shall we escape, if we neglect so great a salvation? which began to be declared by the Lord, and was confirmed to us by them that heard Him;
Hebrews 6:6
and the powers of the gospel-age, and yet fall away, should be renewed again to repentance: since they again crucify to themselves the Son of God, and make an open example of Him.
Hebrews 10:26
For if we sin wilfully after having received the knowledge of the truth, there remaineth no more sacrifice for sins;
Hebrews 12:25
See that ye reject not Him that speaketh; for if they escaped not, who rejected him that gave forth divine oracles on earth, much less shall we, if we turn away from Him that speaketh from heaven: