Hebrews 12:28

12:28 So since we are receiving an unshakable kingdom, let us give thanks, and through this let us offer worship pleasing to God in devotion and awe.

Hebrews 6:18

6:18 so that we who have found refuge in him ¹  may find strong encouragement to hold fast to the hope set before us through two unchangeable things, since it is impossible for God to lie.

[6:18]  ¹ tn Grk “have taken refuge”; the basis of that refuge is implied in the preceding verse.