Matthew 5:33-34
"Again you have heard that it was said to those of old, 'You shall not swear falsely, but shall perform your oaths to the Lord.'
James 5:12
But above all, my brethren, do not swear, either by heaven or by earth or with any other oath, but let your yes be yes and your no be 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 to those of old, 'You shall not swear falsely, but shall perform your oaths to the Lord.'
James 5:12
But above all, my brethren, do not swear, either by heaven or by earth or with any other oath, but let your yes be yes and your no be no, that you may not fall under condemnation.