'Obscurity' in the Bible

And the people stood afar off, and Moses drew near to the obscurity where God was.

And ye came near and stood under the mountain; and the mountain burned with fire to the heart of heaven, with darkness, clouds, and obscurity.

These words Jehovah spoke to all your congregation on the mountain from the midst of the fire, of the cloud, and of the obscurity, with a great voice, and he added no more; and he wrote them on two tables of stone, and gave them to me.

And in that day shall the deaf hear the words of the book, and, out of obscurity and out of darkness, the eyes of the blind shall see;

and thou proffer thy soul to the hungry, and satisfy the afflicted soul: then shall thy light rise in the darkness, and thine obscurity be as midday;

Therefore is justice far from us, and righteousness overtaketh us not: we wait for light, and behold darkness; for brightness, but we walk in obscurity.