by Thomas Watson
2. Union of Christ with the Father (John 17:20-21). Jesus compares this union to that between Himself and His Father.
3. Stones United to the Cornerstone (Ephesians 2:21-22). Relationship is illustrated by the union of the stones in the temple to their foundation cornerstone.
4. Union between Head and Body (1 Corinthians). Paul compares union to that between the head and the members of the body.
5. Union between Husband and Wife (Ephesians 5:31-32). Union compared to that relationship between husband and wife; whereby the indissoluble and sacred bond, they are considered one legal person.