between two kinds of language. The language of the Scriptures on natural subjects is the language of the human family. Its aim is to describe natural phenomena, as they appear. The aim of scientific language is to express facts lying back of the appearance, and to approximate, more and more, to the ultimate cause. Tested by their aims, the common language is perfect, the scientific imperfect. The one is perfect at once, the other never. The one is ever the same, the other is ever changing. Scripture