Matthew 5:33-34

Again, you have heard that it was said by the ancients, You shall not swear falsely, but shall perform to the Lord your oaths.

James 5:12

Above all things, my brothers, swear not, neither by heaven, nor the earth, nor any other oath. But let your yes be yes, and your no, no, that you may not fall under condemnation.

Treasury of Scripture Knowledge

Summary

Thou shalt not take the name of the LORD thy God in vain: for the LORD will not hold him guiltless that taketh his name in vain.

General references

Bible References

General references

Matthew 5:33
Again, you have heard that it was said by the ancients, You shall not swear falsely, but shall perform to the Lord your oaths.
James 5:12
Above all things, my brothers, swear not, neither by heaven, nor the earth, nor any other oath. But let your yes be yes, and your no, no, that you may not fall under condemnation.