ὅρκος

“Again you have heard that it was said to the ancient ones, ‘You shall not make false vows, but shall perform to the Lord your vows,’

Whereupon he promised with an oath to give her whatever she should ask.

Again he denied it with an oath, “I don’t know the man.”

The king was exceedingly sorry, but for the sake of his oaths, and of his dinner guests, he didn’t wish to refuse her.

the oath which he swore to Abraham our father,

Therefore, being a prophet, and knowing that God had sworn with an oath to him that of the fruit of his body, according to the flesh, he would raise up the Christ to sit on his throne,

For men indeed swear by a greater one, and in every dispute of theirs the oath is final for confirmation.

In this way God, being determined to show more abundantly to the heirs of the promise the immutability of his counsel, interposed with an oath,

The king was grieved, but for the sake of his oaths, and of those who sat at the table with him, he commanded it to be given,

But above all things, my brothers, don’t swear— not by heaven, or by the earth, or by any other oath; but let your “yes” be “yes”, and your “no”, “no”, so that you don’t fall into hypocrisy.