This Bible contradiction is from the Skeptic's Annotated Bible.
Genesis 21:23-24 View context
Now therefore swear unto me here by God that thou wilt not deal falsely with me, nor with my son, nor with my son's son: [but] according to the kindness that I have done unto thee, thou shalt do unto me, and to the land wherein thou hast sojourned.
And Abraham said, I will swear.
Genesis 24:2-9 View context
And Abraham said unto his eldest servant of his house, that ruled over all that he had, Put, I pray thee, thy hand under my thigh:
And I will make thee swear by the LORD, the God of heaven, and the God of the earth, that thou shalt not take a wife unto my son of the daughters of the Canaanites, among whom I dwell:
But thou shalt go unto my country, and to my kindred, and take a wife unto my son Isaac.
And the servant said unto him, Peradventure the woman will not be willing to follow me unto this land: must I needs bring thy son again unto the land from whence thou camest?
And Abraham said unto him, Beware thou that thou bring not my son thither again.
The LORD God of heaven, which took me from my father's house, and from the land of my kindred, and which spake unto me, and that sware unto me, saying, Unto thy seed will I give this land; he shall send his angel before thee, and thou shalt take a wife unto my son from thence.
And if the woman will not be willing to follow thee, then thou shalt be clear from this my oath: only bring not my son thither again.
And the servant put his hand under the thigh of Abraham his master, and sware to him concerning that matter.
Genesis 31:53 View context
The God of Abraham, and the God of Nahor, the God of their father, judge betwixt us. And Jacob sware by the fear of his father Isaac.
Genesis 47:31 View context
And he said, Swear unto me. And he sware unto him. And Israel bowed himself upon the bed's head.
Leviticus 27:2 View context
Speak unto the children of Israel, and say unto them, When a man shall make a singular vow, the persons [shall be] for the LORD by thy estimation.
Numbers 30:2 View context
If a man vow a vow unto the LORD, or swear an oath to bind his soul with a bond; he shall not break his word, he shall do according to all that proceedeth out of his mouth.
Deuteronomy 6:13 View context
Thou shalt fear the LORD thy God, and serve him, and shalt swear by his name.
Deuteronomy 10:20 View context
Thou shalt fear the LORD thy God; him shalt thou serve, and to him shalt thou cleave, and swear by his name.
Deuteronomy 23:21 View context
When thou shalt vow a vow unto the LORD thy God, thou shalt not slack to pay it: for the LORD thy God will surely require it of thee; and it would be sin in thee.
Psalm 63:11 View context
But the king shall rejoice in God; every one that sweareth by him shall glory: but the mouth of them that speak lies shall be stopped.
Isaiah 45:23 View context
I have sworn by myself, the word is gone out of my mouth [in] righteousness, and shall not return, That unto me every knee shall bow, every tongue shall swear.
Isaiah 48:1 View context
Hear ye this, O house of Jacob, which are called by the name of Israel, and are come forth out of the waters of Judah, which swear by the name of the LORD, and make mention of the God of Israel, [but] not in truth, nor in righteousness.
Isaiah 65:16 View context
That he who blesseth himself in the earth shall bless himself in the God of truth; and he that sweareth in the earth shall swear by the God of truth; because the former troubles are forgotten, and because they are hid from mine eyes.
Jeremiah 4:2 View context
And thou shalt swear, The LORD liveth, in truth, in judgment, and in righteousness; and the nations shall bless themselves in him, and in him shall they glory.
Jeremiah 12:16 View context
And it shall come to pass, if they will diligently learn the ways of my people, to swear by my name, The LORD liveth; as they taught my people to swear by Baal; then shall they be built in the midst of my people.
Daniel 12:7 View context
And I heard the man clothed in linen, which [was] upon the waters of the river, when he held up his right hand and his left hand unto heaven, and sware by him that liveth for ever that [it shall be] for a time, times, and an half; and when he shall have accomplished to scatter the power of the holy people, all these [things] shall be finished.
Hebrews 6:13 View context
For when God made promise to Abraham, because he could swear by no greater, he sware by himself,
Matthew 5:34 View context
But I say unto you, Swear not at all; neither by heaven; for it is God's throne:
James 5:12 View context
But above all things, my brethren, swear not, neither by heaven, neither by the earth, neither by any other oath: but let your yea be yea; and [your] nay, nay; lest ye fall into condemnation.