What power did Jesus grant apostles?
What authority did Jesus give the apostles in Mark 3:15?

Canonical Text

Mark 3:15 : “and to have authority to drive out demons.”

Greek: καὶ ἔχειν ἐξουσίαν ἐκβάλλειν τὰ δαιμόνια.


Immediate Literary Setting

Jesus “appointed twelve” (v. 14) “so that they would be with Him, and that He could send them out to preach” and, as v. 15 adds, “to have authority to drive out demons.” The two‐fold mission is proclamation and power.


Definition of Ἐξουσία (Exousia)

The term denotes delegated right, freedom, and power to act. It is never mere permission; it is empowerment backed by the sovereign source—here, the incarnate Son of God (cf. Mark 1:27; Matthew 28:18).


Source of the Authority

• Christ’s intrinsic lordship (John 1:3; Colossians 1:16–17).

• His demonstrated victory over Satan’s kingdom (Mark 1:13; 1 John 3:8).

• Foretaste of the cross and resurrection triumph (Colossians 2:15).

Because Jesus is Creator and sustainer, His delegation is real, not symbolic. Manuscript evidence (e.g., P⁴⁵, 𝔐, Vaticanus, Sinaiticus) unanimously preserves ἐξουσίαν ἐκβάλλειν τὰ δαιμόνια, underscoring the uncontested reading.


Commission Parallels

Matthew 10:1—authority “over unclean spirits … and to heal every disease.”

Luke 9:1—authority “over all demons and to cure diseases.”

Mark 6:7—reaffirms power over unclean spirits.

Luke 10:17 (72 sent)—demonstrates extension beyond the Twelve.

Matthew 28:18-20—post-resurrection universalizes Christ’s authority.


Purpose of the Authority

1. Authentication of the gospel message (Hebrews 2:3-4; Acts 2:43).

2. Visible sign of the in-breaking kingdom (Luke 11:20).

3. Compassionate liberation of the oppressed (Mark 5:1-20).

4. Preview of final cosmic defeat of evil powers (Revelation 20:10).


Scope and Limits

Delegated to the Twelve during the Galilean ministry, later broadened to the church in Jesus’ name (Mark 16:17; Acts 16:18). Authority remained contingent upon obedience and faith (Mark 9:29; Acts 19:13-16).


Apostolic Exercise Recorded

Mark 6:13—“They drove out many demons and anointed many sick people with oil and healed them.”

Acts 5:16; 8:7—post-Pentecost deliverances by apostles.

• Patristic witness: Justin Martyr, Dialogue 76; Tertullian, Apology 23, citing exorcisms as public evidence.


Theological Integration

Demon-expulsion illustrates Christus Victor. The same Savior who spoke galaxies into existence (Genesis 1; John 1) now overrules rebellious spirits. Intelligent design in creation presupposes an ordered moral universe in which evil is parasitic, not ultimate; thus Christ’s authority is a restoration, not an innovation.


Archaeological & Historical Corroboration

• First-century magico-religious amulets invoke “Jesus.” The ostracon from Beth-Shean (c. AD 125) notes “I adjure you by Jesus the God of the Hebrews,” reflecting early recognition of His superior authority.

• The “Ephesus incantation bowls” (2nd cent.) include formulae amended after confrontations with Christians (Acts 19:17-20).


Continuity of the Text

Earliest papyri (P⁶⁶, P⁷⁵) and codices agree on the Markan pericope. No variant affects the statement of delegated authority, strengthening confidence in doctrinal precision.


Implications for the Church Today

Believers stand under the same risen Lord who “disarmed the rulers and authorities” (Colossians 2:15). While apostolic uniqueness must be honored, Christ still liberates through the gospel preached in Spirit power (Romans 1:16). The church’s mission remains proclamation partnered with compassionate confrontation of evil.


Answer Summarized

In Mark 3:15 Jesus entrusted the apostles with real, derived authority to expel demons, validating their preaching and manifesting the kingdom’s superiority over Satanic power.

How can we discern and confront spiritual battles as described in Mark 3:15?
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