...and maybe that's what "sloth" really is--stopping short rather than doing the work of tracing our desires and perceived temptations all the way back to their true and pure origin--the hidden source of the river, springing up in life...
To change the metaphor, I hope William Blake will forgive me for taking a verse from his poem out of context, but I do see it in that light:
I give you the end of a golden string;
Only wind it into a ball,
It will lead you in at Heaven’s gate,
Built in Jerusalem’s wall.…