Sahih al-Bukhari Book 46, Hadith 14

That there was a dispute between him and some people (about a piece of land). When he told `Aisha about it, she said, "O Abu Salama! Avoid taking the land unjustly, for the Prophet (ﷺ) said, 'Whoever usurps even one span of the land of somebody, his neck will be encircled with it down the seven earths."