Leviticus 20:8
And ye shall keep my statutes, and do them: I am the Lord which sanctify you.
Cross-reference
Leviticus 18:4 similarly commands keeping God's statutes and ends with 'I am the Lord your God', closely paralleling this verse.
Leviticus 18:5 adds the promise of life for keeping statutes, echoing the same command to obey and live.
Leviticus 19:37 echoes the same call to observe all statutes, reinforcing the command to do them.
Leviticus 21:8 uses the same phrase 'I the LORD sanctify you', linking sanctification to the priest's holiness.
Leviticus 22:32 repeats the same sanctification formula, calling Israel not to profane God's holy name.
Exodus 31:13 connects Sabbath keeping with God sanctifying, providing a specific example of obeying statutes.
Ezekiel 20:12 echoes God's sanctifying work, specifying the Sabbath as a sign that the LORD makes them holy.
Ezekiel 37:28 repeats the promise that God makes Israel holy, now through his sanctuary dwelling among them forever.
In 1 Corinthians 1:30, Christ becomes our holiness from God, fulfilling the OT declaration that the Lord makes holy.
1 Thessalonians 5:23 prays for God to sanctify you completely, directly echoing the Lord who makes holy in Leviticus.
2 Thessalonians 2:13 speaks of sanctification by the Spirit, linking to God's work of making his people holy.
Matthew 5:19 links doing commandments to greatness in the kingdom, expanding the call to obedience.
Matthew 7:24 compares doing Jesus' words to building on rock, paralleling the theme of active obedience.
Matthew 12:50 defines doing God's will as the mark of Jesus' family, echoing the call to do His statutes.