Hebrews 2:3

how shall we escape who have neglected so great a salvation? which began to be spoken by the Lord, and was affirmed to us by those who heard,

Hebrews 6:6

and having fallen away, it is impossible again to renew to a change of mind, they having crucified again and exposed to shame the Son of God.

Hebrews 9:28

so also Christ having been once offered to bear the sins of many, shall appear a second time without sin, to those who look for him for salvation.

Hebrews 10:26-29

For if we sin willingly after having received the knowledge of the truth, there is no longer a sacrifice left for sins,

Hebrews 12:25

See that you refuse not him that speaks; for if they did not escape who refused him that gave answers on earth, much more shall we [not escape] who turn ourselves away from him in 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 who have neglected so great a salvation? which began to be spoken by the Lord, and was affirmed to us by those who heard,
Hebrews 6:6
and having fallen away, it is impossible again to renew to a change of mind, they having crucified again and exposed to shame the Son of God.
Hebrews 10:26
For if we sin willingly after having received the knowledge of the truth, there is no longer a sacrifice left for sins,
Hebrews 12:25
See that you refuse not him that speaks; for if they did not escape who refused him that gave answers on earth, much more shall we [not escape] who turn ourselves away from him in heaven;