Is it possible for you to keep all these commandments? (Q336)
From To Be A Christian, An Anglican Catechism
No. I fail to fulfill them perfectly, however hard I try. One purpose of the Law is to show me my utter inability to obey God flawlessly, and so to point to my need of Christ’s obedience and atoning death on my behalf. (Isaiah 53:4-6; Romans 3:19-31; Hebrews 10:1-14)