Hebrews 9:25

9:25 And he did not enter to offer himself again and again, the way the high priest enters the sanctuary year after year with blood that is not his own,

Hebrews 10:1

Concluding Exposition: Old and New Sacrifices Contrasted

10:1 For the law possesses a shadow of the good things to come but not the reality itself, and is therefore completely unable, by the same sacrifices offered continually, year after year, to perfect those who come to worship.