Riyad U Saliheen, Hadith # 206

`Aishah (May Allah bepleased with her) reported: Messenger of Allah (PBUH) said, "Whoever usurps unlawfully even a hand span of land a collar measuring seven times (this) land will be placed around his neck on the Day of Resurrection". [Al-Bukhari and Muslim]. Commentary: This Hadith tells us that even a minor injustice to anybody in this world can cause great trouble on the Day of Resurrection. Click Here For Arabic And Urdu