Today, April 21 is Saadi Day in commemoration of Saadi Shirazi, as a great Persian Poet (1210-1291.) and prose writer of the medieval period, Saadi is recognized for the quality of his writings and for the depth of his social and moral thoughts. This artwork titled "Human Dignity" by artist Mahmoud Zendehroudi has graced the walls of the Since 2014. The artist's inspiration: one of the lines of the famous poem by Saadi,“Human beings ”, rendered here in three languages: Persian, English and French.   "Human beings are members of a whole In creation of one essence and soul If one member is afflicted with pain  Other members uneasy will remain If you have no sympathy for human pain The name of human you cannot retain." 1 اردیبهشت، روز سعدی، شاعر پرآوازه فارسی زبان مبارک باد. بنی آدم اعضای یکدیگرند که در آفرینش ز یک گوهرند چو عضوی به درد آورد روزگار دگر عضوها را نماند قرار تو کز محنت دیگران بی غمی  نشاید که نامت نهند آدمی