4170. CONCERNING LUKEWARM THINGS. The reason that lukewarm water causes vomiting is, that lukewarm spiritual things are of the same quality; for spiritual things have such an effect upon natural things, which was remarked to spirits and angels, and they confessed that it was so. When I was thinking of lukewarm water, and at the same time of spiritual lukewarmness, there were spirits present who seemed, as it were, to vomit, from which the nature of the influx may be perceived. - 1749, March 12.