SANAI
علم بیحلم خاک کوی بود، علم با حلم آب روی بود
Elm bi-helm khâk-e kuy bovad, elm bâ helm âb-e ruy bovad
Knowledge without forbearance is worthless as the dust of the street; knowledge joined with forbearance is as precious as one's honor.
Sanai · Hadiqat al-Haqiqah