I read somwhere that this song is based on Nietzsche' 3 metamorphoses...
http://philosophyforchange.wordpress.co ... /#comments
..or it could just be about finding the strength to meet the real challenges in one's life..or maybe that was what Nietsche was on about anyway.

I really like the coda to the song where Van describes the journey of the Tutha de Danaan, early settlers of Ireland, sailing "away from Denmark, way up to Caledonia, looking for a brand new start.." At least, that is my interpretation of these lyrics.
Stone_Giant