Genesis 1:3

And God said, Let there be light] A sublime sentence! 'By the word of the Lord were the heavens made.' Light and darkness are regarded as two objects, each occupying a place of its own (Job 38:19). Light is created on the first day, the luminaries on the fourth. Not as an explanation, for this it is not, but merely as an illustration, it may be remembered that, according to the generally approved modern theory, the matter composing our solar system existed at first in the shape of an inconceivably vast mass of fiery vapour, which gradually cooled down and took the form of a rotating sphere. This threw off the planets, our earth amongst the number. The central part is now the sun. So that light in itself may be regarded as prior to the specific lights that stood related as luminaries to the earth. The earth by slow stages grew fit to be the abode of life.