172. I will put upon you none other burden. That this signifies that they should take heed of this alone is evident from the signification of laying a burden upon those with whom the internal can be conjoined to the external, as being that they should carefully take heed of that, because the delights of those two loves are the sole reason why the internal of man, which looks to heaven, is closed; and, this being closed, there can be no conjunction of it with the external, which looks to the world, nor any influx from heaven. It is said burden, because man's proprium, which is to love himself more than God, and the world more than heaven, resists.