Panel at the portal of a madrasah (university); nastaliq script setting out some of the obligations and duties of a madrasah professor:
“......... on the day of vacation which is every fourth day of the week , the profesor need not teach unless he is religiously or legally obligated to do so; during the (normal) holiday period of he has the prerogative to teach or not or even to attend the madrasah,”
Calligrapher: Muhammad Ali al-Imami, 1015 A.H
Iran, Safavid, 17th century
