http://newhumanist.i2p/articles/1529/you-must-remember-this
At the same time, though, Christian commentators have routinely plundered the language of erotic passion as a metaphor for the experience of union with God. The more explicit the imagery, the more holy the intent. And the most potent example of this displacement is the Song of Songs, attributed to Solomon, and suffused with some of the most beautiful erotic poetry ever written: “How fair and how pleasant art thou, O love, for delights!