Riyad as-Salihin: The Book of Miscellany – Hadith No. 1431 — Abu Umamah (May Allah bepleased with him) reported: Messenger of Allah (ﷺ)… (Hadith No. 1431)

Abu Umamah (May Allah bepleased with him) reported: Messenger of Allah (ﷺ) said, "Allah decrees the (Hell) Fire and debars Jannah for the one who usurps the rights of a believer by taking a false oath." One man asked: "O Messenger of Allah! Even if it should be for an insignificant thing?" He said, "Even if it be a stick of the Arak tree (i.e., the tree from which Miswak sticks are taken)"..

Explanation:

Reference: Riyad as-Salihin, The Book of Miscellany, Hadith No. 1431