Irmos: I have heard, O Lord, the mystery of Thy dispensation; I have understood Thy works, and have glorified Thy divinity.
Theotokion: O Maiden, cleanse thou my heart which hath been defiled by the passions, and make it a receptacle of pure and divine radiance.
Arming thyself against the persecutor like a most excellent commander, O martyr, thou didst lure to divine life those made captive of old, and didst capture them.
With the showers of thy words thou hast watered men’s hearts, and thou didst guide them to the water of everlasting life, O right wondrous athlete of the Lord.
The ever-memorable Callistratus is slaughtered like a lamb, his most zealous soldiers having been slain like lambs before him.
Like a vine, O martyr Gymnasius, through the account of thy suffering thou didst produce ripe grapes, pouring forth the wine of piety.
Translated by Isaac Lambertsen. Edition menaion.en.lambertsen.