I'd like to know what the focal points of their preaching and exhortations were. Perhaps sin, righteousness, judgment, the infinite holiness of God, and His demonstration of love to vile hell-deserving wretches.

Please don't use that type of lightbulb. They are have unnatural light, which flickers rather than stays constant, and they have trace mercury which is contaminating or going to contaminate our countries, and the increased demand of mercury is wreaking environmental havoc upon the land and workers where it is being mined.