Translation:
Provisional translation
O thou who hast stood firm in the Covenant! Well done, and again well done, for thou hast remained steadfast, hast grown, hast made clear and hast demonstrated with conclusive proofs [3.5s]
یا من ثبت علی المیثاق احسنت ثم احسنت بما ثبت و نبت و بینت و اوضحت بادله قاطعه
