(7) باب الْبَيِّنَةُ عَلَى الْمُدَّعِي وَالْيَمِينُ عَلَى الْمُدَّعَى عَلَيْهِ
It was narrated from Ibn 'Abbas that the Messenger of Allah (ﷺ) said:
"If the people were given what they claimed, some would have claimed the lives and property of men. But the one the claim is made against is obliged to swear an oath."
Reference: Sunan Ibn Majah 2321
In-book reference: Book 13, Hadith 14
English translation: Vol. 3, Book 13, Hadith 2321