[T]he spirit of the law, which is produced in the schools and courts of justice, gradually penetrates beyond their walls into the bosom of society, where it descends to the lowest classes, so that at last the whole people contract the habits and the tastes of the judicial magistrate.
5 — tiny particulate matter that easily penetrates the lungs.
Radiation that penetrates only five centimeters into the brain of an adult will reach much deeper into the brains of children because their skulls are thinner and their brains contain more absorptive fluid.
It rolls and thunders with a sound that penetrates for miles into the land; and we are quite near the roaring.
