'Oath' in the Bible

And being angry I made an oath, saying, They may not come into my rest.

And to whom did he make an oath that they might not come into his rest? was it not to those who went against his orders?

For those of us who have belief come into his rest; even as he has said, As I said in my oath when I was angry, They may not come into my rest: though the works were done from the time of the making of the world.

For when God made his oath to Abraham, because there was no greater oath, he made it by himself,

For men at all times make their oaths by what is greater; and any argument is ended by the decision of the oath.

So that when it was God's desire to make it specially clear to those who by his word were to have the heritage, that his purpose was fixed, he made it more certain with an oath;

And as this is not without the taking of an oath

(For those were made priests without an oath, but this one was made a priest with an oath by him who says of him, The Lord gave his oath, which he will not take back, that you are a priest for ever);

The law makes high priests of men who are feeble; but the word of the oath, which was made after the law, gives that position to a Son, in whom all good is for ever complete.

Whose voice was the cause of the shaking of the earth; but now he has made an oath, saying, There will be still one more shaking, not only of the earth, but of heaven.