Hebrews 2:2-3

2:2 For if the message spoken through angels proved to be so firm that every violation or disobedience received its just penalty, 2:3 how will we escape if we neglect such a great salvation? It was first communicated through the Lord and was confirmed to us by those who heard him,

Hebrews 6:8

6:8 But if it produces thorns and thistles, it is useless and about to be cursed; its fate is to be burned.

Hebrews 8:4

8:4 Now if he were on earth, he would not be a priest, since there are already priests who offer the gifts prescribed by the law.

Hebrews 9:13

9:13 For if the blood of goats and bulls and the ashes of a young cow sprinkled on those who are defiled consecrated them and provided ritual purity,

Hebrews 10:26

10:26 For if we deliberately keep on sinning after receiving the knowledge of the truth, no further sacrifice for sins is left for us,

Hebrews 11:15

11:15 In fact, if they had been thinking of the land that they had left, they would have had opportunity to return.

Hebrews 11:29

11:29 By faith they crossed the Red Sea as if on dry ground, but when the Egyptians tried it, they were swallowed up.

Hebrews 11:32

11:32 And what more shall I say? For time will fail me if I tell of Gideon, Barak, Samson, Jephthah, of David and Samuel and the prophets.

Hebrews 12:8

12:8 But if you do not experience discipline, something all sons have shared in, then you are illegitimate and are not sons.

Hebrews 13:23

13:23 You should know that our brother Timothy has been released. If he comes soon, he will be with me when I see you.