Hebrews 7:19

the law made nothing perfect This is illustrated in Hebrews 9:6-9.

but the bringing in of a better hope did The better punctuation is "There takes place a disannulment of the preceding commandment on account of its weakness and unprofitableness for the Law perfected nothing but the superinduction of a better hope." The latter clause is a nominative not to "perfected," but to "there is," or rather "there takes place," in Hebrews 7:18. The "better hope" is that offered us by the Resurrection of Christ; and the whole of the New Testament bears witness that the Gospel had the power of "perfecting," which the Law had not. Romans 3:21; Ephesians 2:13-15, &c.