And my favourite hymn is "My Song is Love Unknown". It's sung to a beautiful tune, and the very unassuming and humble words are beautifully poetic.
1
My song is love unknown,
My Savior’s love to me;
Love to the loveless shown,
That they might lovely be.
O who am I,
That for my sake...
No problem with any of that.
But it doesn't mention Jerusalem at all, which I have always interpreted as being about revolutionary fervour and a quest for social justice. The Jerusalem Blake writes about is surely the "promised land" which is described in the final stages of the Biblical Book...