Similarly, nourishing passion for a person other than one’s mate violated the principle underlying God’s law against adultery. —Matthew 5:17, 18, 21, 22, 27-39.
Like “silver glazing” that conceals the underlying earthenware, “fervent lips,” which convey strong feelings and even sincerity, may in fact conceal “a bad heart.” —Proverbs 26:24-26.
God himself explained the principle underlying those sacrifices: “The soul [or, life] of the flesh is in the blood, and I myself have put it upon the altar for you to make atonement for your souls, because it is the blood that makes atonement by the soul in it.
(Proverbs 19:11) To have insight means to see beneath the surface of a situation, to grasp underlying factors that cause a person to talk or act in a certain way.
According to the World Health Organization, poverty is “the world’s deadliest disease” and “the biggest single underlying cause of death, disease and suffering.”
We can discern the underlying principle if we remember that Jesus “drove all those with the sheep and cattle out of the temple, and he poured out the coins of the money changers and overturned their tables.