James 5:12 KJV
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.
James 5:10–14 KJV Chapter Context
10
Take, my brethren, the prophets, who have spoken in the name of the Lord, for an example of suffering affliction, and of patience.
11
Behold, we count them happy which endure. Ye have heard of the patience of Job, and have seen the end of the Lord; that the Lord is very pitiful, and of tender mercy.
12
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.
13
Is any among you afflicted? let him pray. Is any merry? let him sing psalms.
14
Is any sick among you? let him call for the elders of the church; and let them pray over him, anointing him with oil in the name of the Lord: