“Stolen water is sweet, and bread eaten in secret is delightful.”
In context
15calling to those who pass by on the way, who are going straight on their paths: 16“Whoever is simple, let him turn in here!” And to the one who lacks sense she says, 17“Stolen water is sweet, and bread eaten in secret is delightful.” 18But he does not know that the shades are there, that her guests are in the depths of Sheol.
