Sie suchten nach: laus virtutis in actione (Latein - Englisch)

laus virtutis actio
his praise of the action

virtus in actione consistit
virtue is in activity

in dedicatione autem muri hierusalem requisierunt levitas de omnibus locis suis ut adducerent eos in hierusalem et facerent dedicationem et laetitiam in actione gratiarum et in cantico in cymbalis psalteriis et cithari
and at the dedication of the wall of jerusalem they sought the levites out of all their places, to bring them to jerusalem, to keep the dedication with gladness, both with thanksgivings, and with singing, with cymbals, psalteries, and with harps.