Contentment is the greatest door that one enters to Allah, it is the source of tranquility for the worshiper and paradise on earth. Whoever does not enter it will not enter the Paradise in the Hereafter.
Ibn TaymiyyahThe highest degree of love is Tatayyum (total enthrallment). The lowest degree is 'alaqah (attachment), when the heart is attached to the beloved: then comes sabahah (infatuation), when the heart is poured out: then gharam (passion), when love never leaves the heart: the nashaq (ardent love), and finally tatayyum.
Ibn Taymiyyah