The Qur'an says of itself: [This is] a Book that We have sent down to you, full of blessings, that they may meditate upon its signs, and that those possessed of understanding may take heed. [38:29] The Quranic insistence on tadabbur (to 'meditate', 'reflect', 'ponder' upon the Qur'an) is one of the three essential states our hearts should be in for them to be enriched,…