NT-EPISTLES.filter - jub swear:

jub@Hebrews:6:13 @ For when God promised unto Abraham, because he could swear by no greater, he swore by himself,

jub@Hebrews:6:16 @ For men verily swear by the greater, and an oath for confirmation [is] to them an end of all controversy.

jub@James:5:12 @ But above all things, my brethren, do not swear by heaven or by the earth or by any other oath, but let your yes be yes and [your] no, no; lest ye fall into condemnation.