Be ye therefore perfect] Sincere and compleat in all parts of piety, especially in extending love, not to your friends alone, but to enemies also, 1 Corinthians 14:20. James 1. 4. and 3. 2. Col. 1. 28. and 4. 12. As your Father which is in heaven] Be like him in this, though ye cannot be equall to him. See on v. 45.