Illness is the doctor to whom we pay most heed to kindness, to knowledge, we make promise only pain we obey.

The more knowledge you have, the greater will be your fear of Allah.

The small part of ignorance that we arrange and classify we give the name of knowledge.

Ardor, n. The quality that distinguishes love without knowledge.

In friendship as well as love, ignorance very often contributes more to our happiness than knowledge.