2 Corinthians 1:23
But I appeal to God as my witness [i.e., to verify that I am telling the truth]; it was in order to spare you [i.e., from a disciplinary action] that I decided not to return to Corinth.
Hebrews 6:16
For people make vows by someone greater [than themselves], and an argument is settled when someone takes an oath [that he is telling the truth].
Treasury of Scripture Knowledge
Summary
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.
Bible References
Swear
2 Corinthians 1:23
But I appeal to God as my witness [i.e., to verify that I am telling the truth]; it was in order to spare you [i.e., from a disciplinary action] that I decided not to return to Corinth.
Hebrews 6:16
For people make vows by someone greater [than themselves], and an argument is settled when someone takes an oath [that he is telling the truth].