Hebrews 2:3
how can we escape if we pay no attention to such a salvation as this? It was first proclaimed by the Lord himself, and it was guaranteed to us by those who heard him,
Hebrews 6:6
and yet have fallen back, for they crucify the Son of God on their own account, and hold him up to contempt.
Hebrews 9:28
so the Christ too, after being offered in sacrifice once for all to carry away the sins of many, will appear again but without any burden of sin, to those who are eagerly waiting for him to come and save them.
Hebrews 10:26-29
For if we choose to go on sinning after we have so fully learned the truth, there is no sacrifice left to be offered for our sins,
Hebrews 12:25
Take care not to refuse to listen to him who is speaking. For if they could not escape because they would not listen to him who warned them here on earth, how much less can we, who reject him who is from heaven!