Hebrews 4:15

4:15 For we do not have a high priest incapable of sympathizing with our weaknesses, but one who has been tempted in every way just as we are, yet without sin.

Hebrews 9:9

9:9 This was a symbol for the time then present, when gifts and sacrifices were offered that could not perfect the conscience of the worshiper.

Hebrews 10:8

10:8 When he says above, “Sacrifices and offerings and whole burnt offerings and sin-offerings you did not desire nor did you take delight in them” ¹  (which are offered according to the law),

Hebrews 12:10

12:10 For they disciplined us for a little while as seemed good to them, but he does so for our benefit, that we may share his holiness.

[10:8]  ¹ sn Various phrases from the quotation of Ps 40:6 in Heb 10:5-6 are repeated in Heb 10:8.