Hebrews 6:13
For when God made promise to Abraham, because he could swear by no greater, he sware by himself,
Hebrews 9:9
Which was a figure for the time then present, in which were offered both gifts and sacrifices, that could not make him that did the service perfect, as pertaining to the conscience;
Hebrews 12:20
(For they could not endure that which was commanded, And if so much as a beast touch the mountain, it shall be stoned, or thrust through with a dart: