Flaming up into the air, which is oft called heaven; and the midst or the heart of it is not only that which is strictly and properly the middle part, but that which is within it, though but a little way, in which sense places or persons or things are said to be in the heart of the sea, Exodus 15:8 Proverbs 23:34 Ezekiel 28:2; and Christ in the heart of the earth, Matthew 12:40.
Related Commentaries of Deuteronomy 4:11
Deuteronomy 4:11
11 And ye came near and stood under the mountain; and the mountain burned with fire unto the midsta of heaven, with darkness, clouds, and thick darkness.