15‘I know your deeds, that you are 3:15 This phrase and the word lukewarm in v 16 form a metaphor that is probably based on the quality of the water supply of Laodicea, which was delivered by aqueduct from the hot mineral springs about five miles away. During its journey, the water cooled to a warm or lukewarm temperature.neither cold (invigorating, refreshing) nor hot (healing, therapeutic); I wish that you were 3:15 I.e. alive, productive—beneficial in one way or the other.cold or hot.