Thematic Bible: Darkness, &c at giving of, illustrative of obscurity of mosaic dispensation

For ye are not come unto a mount that might be touched, and that burned with fire, and unto blackness, and darkness, and tempest, and the sound of a trumpet, and the voice of words; which voice they that heard entreated that no word more should be spoken unto them; for they could not endure that which was enjoined, If even a beast touch the mountain, it shall be stoned; read more.
and so fearful was the appearance, that Moses said, I exceedingly fear and quake: but ye are come unto mount Zion, and unto the city of the living God, the heavenly Jerusalem, and to innumerable hosts of angels, to the general assembly and church of the firstborn who are enrolled in heaven, and to God the Judge of all, and to the spirits of just men made perfect, and to Jesus the mediator of a new covenant, and to the blood of sprinkling that speaketh better than that of Abel.