Why the next words: “and is seated at the right hand of God”?
Because Christ ascended to heaven to show there that He is head of His church, the one through whom the Father rules all things.
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How does this glory of Christ our head benefit us?
First, through His Holy Spirit He pours out gifts from heaven upon us His members.
Second, by His power He defends us and keeps us safe from all enemies.
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How does Christ’s return “to judge the living and the dead” comfort you?
In all distress and persecution, with uplifted head, I confidently await the very judge who has already offered Himself to the judgment of God in my place and removed the whole curse from me. Christ will cast all His enemies and mine into everlasting condemnation, but will take me and all His chosen ones to Himself into the joy and glory of heaven.