Without acquaintance and understanding, love does not take form, as man does not love one with whom he is not acquainted. For this reason, he does not love a lifeless thing; rather he can love one who has life and understanding. There are three classes of wisdom or understanding.

(1) Mind likes a thing congenial to nature.

(2) Mind hates a thing opposed to nature.

(3) Mind hates what is injurious and pains giving.

So love means attraction of mind to what is tasteful and pleasure giving. When it is strong and firm, there is deep love.

— GHAZALI —