Al Allaamah Shaykh Zayd bin Haadi (Rahimahullah) said:

It is not possible for knowledge to be gained except by learning. And learning must be undertaken and carried out with hard work (effort and seriousness) and diligence (careful and persistent effort), and it does not have an end point, up until a person departs from the life where he acts (The worldly life) to the life in which he is recompensed (The Hereafter) for his actions.

كلمة توجيهية لطلاب العلم في البرنامج الدعوي للعلوم الشرعية ٢٩ ربيع الأول ١٤٣٥