Acquire knowledge before you become leaders and pride prevents you from learning and you live in ignorance.
—’Umar Ibn Al-Khattab [d. 23AH]
At-tabyan fee Adab Hamlat al-Qur’an, by an-Nawawi, p. 60; Fara’id al-Kalam, p. 163.
(Read on pg 333, Dr. ‘Ali Muhammad as-Sallabi, ‘Umar Ibn Al-Khattab: His Life & Times Vol. 1. International Islamic Publishing House. Riyadh:2007 .)