G2479, ischýs, is a Greek noun for strength, might, or capacity brought to bear. It can name creaturely strength devoted to loving God, strength supplied by God for service, divine might described beside other power terms, or strength ascribed to the Lamb in worship. The word does not itself mean miracle, authority, or domination. Its overlap with G1411, dýnamis, and G2904, krátos, must not be turned into a rigid technical hierarchy.
In Mark 12:30, strength belongs within the command to love God with the whole person. The coordinated terms should not be converted into a speculative map of detachable human faculties. First Peter 4:11 places Christian service inside strength that God supplies and directs the resulting glory through Jesus Christ. Revelation 5:12 includes strength in the worshipful ascription offered to the slain and worthy Lamb.
The language does not suggest that the Lamb previously lacked strength; the throne-room chorus acknowledges His worth. Across these passages, strength is devoted, received, and returned in praise. Christian use of ischýs therefore opposes both self-sufficiency and performative weakness. Capacity is real, but it remains accountable to love, dependent service, wise limits, and the glory of God.
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