7 Bible Verses about Oaths, Human

"It is too bad for you blind leaders who say that whoever takes an oath 'by the Temple,' it does not [really] mean anything, but whoever takes an oath 'by the gold of the Temple,' he is obligated to [fulfill] the oath. You foolish, blind people! Which is greater, the gold or the Temple that makes its gold sacred? And [you say], whoever takes an oath 'by the Altar,' it does not [really] mean anything, but whoever takes an oath 'by the gift on the Altar,' he is obligated to [fulfill] the oath.read more.
You blind people! Which is more important, the gift or the Altar that makes the gift sacred? The person, therefore, who takes an oath 'by the Altar,' [not only] swears by it, but [also] by everything on it. And the person who takes an oath 'by the Temple,' [not only] swears by it, but [also] by Him [i.e., God] who lives there. And the person who takes an oath 'by heaven,' swears 'by the throne of God,' and [also] by Him [i.e., God] who sits on it.

And when he had gone out by the gate, another servant-girl saw him and said to those nearby, "This man also was with Jesus of Nazareth." And he denied [it] again, [this time] with an oath, saying, "I do not [even] know the man." And a little later, those standing nearby came to Peter and said, "[We know] for sure, you also are one of them [i.e., Jesus' disciples], because your accent gives you away."read more.
Then Peter began to curse and swear, "[I tell you], I do not know the man." And immediately a rooster crowed.

But again he denied it. Then after a little while those standing nearby said to Peter again, "We know for sure that you are one of them because you are from Galilee." [Note: Peter's accent gave him away. See Matt. 26:73]. Then Peter began to curse and swear, saying, "I do not know this man you are talking about."

But when Herod's birthday came, Herodias' daughter [Note: According to Josephus her name was Salome], pleased him by [her sensual] dancing in front of the party guests. [Herod was so pleased with her performance that] he promised, with an oath, to give her whatever she asked for [i.e., with limitations. See Mark 6:23].

And when Herodias' daughter [Note: According to Josephus her name was Salome] came in and danced [in front of them, sensually], she pleased Herod and his party guests so much that the king said to the young woman, "Ask me for whatever you want and I will give it to you." And he vowed to her, "I will give you whatever you ask me for, up to one half [the wealth] of my kingdom."

But above everything else, my brothers, do not take oaths, not "by the heaven," nor "by the earth," nor by any other oath. But your "yes" should be [simply] "yes," and your "no," [simply] "no," so you do not fall under condemnation.

"Again, you have heard what was said to people in time's past [Lev. 19:12], 'You must not go back on your oaths, but [rather] fulfill the oaths you take to the Lord.' But I say to you, do not take any oath, [saying] 'by heaven,' for it is God's throne; nor 'by earth,' for it is the footstool for His feet; nor 'by Jerusalem,' for it is the city of the great King [i.e., God].read more.
You should not take an oath, [saying] 'by my head,' for you cannot make a single hair white or black. But you should just say 'yes' [when you mean] yes, and 'no' [when you mean] no. Whatever you say beyond these [i.e., enforcing them by oaths] is of the evil one [i.e., the devil].