'Brightness' in the Bible

and on the journey, at noon, Sir, I saw a light from Heaven--brighter than the brightness of the sun--shining around me and around those who were travelling with me.

If, however, the service that proclaims death--its code being engraved in writing upon stones--came with glory, so that the children of Israel could not look steadily on the face of Moses because of the brightness of his face--a vanishing brightness;