This quotation is taken from two different persons, Wisdom and Folly. They give this invitation from the same place: "the highest point in the city" (9: 3, 14), and they give it to the same people: "those who lack judgment."
Then a difference takes place. Wisdom offers, openly and honestly, food, wine, and life, but she asks for repentance (9:5-6). Folly offers a lie. "Stolen water is sweet, food eaten in secret is delicious!" (9:17), but does not ask for repentance.
Wisdom gives life. Folly gives death. Folly offers present benefits which are called "sweet" and "delicious." "But little do they know that the dead are there, that her guests are in the depths of Sheol" (9:18).
Written March 1979.