But I tell you, do not swear an oath at all: either by heaven, for it is God’s throne;
Then he saith, I will return into my house from whence I came out; and when he is come, he findeth it empty, swept, and garnished.Matthew 12:44 KJV
or by the earth, for it is his footstool; or by Jerusalem, for it is the city of the Great King.Matthew 5:35 NIV
“Again, you have heard that it was said to the people long ago, ‘Do not break your oath, but fulfill to the Lord the vows you have made.’Matthew 5:33 NIV