Surah Al-Ma'idah 5:108

ﳁ ﳂ ﳃ ﳄ ﳅ ﳆ ﳇ ﳈ ﳉ ﳊ ﳋ ﳌ ﳍ ﳎ ﳏ ﳐ ﳑ ﳒ ﳓ ﳔ ﳕ ﳖ ﳗ ﳘ

That is more likely that they will give testimony according to its [true] objective, or [at least] they would fear that [other] oaths might be taken after their oaths. And fear Allah and listen; and Allah does not guide the defiantly disobedient people.