Musnad Abu Ya'la al-Mawsili 110:195

Abu Bakr narrated to us, Abd al-Rahim ibn Sulayman narrated to us, from Muhammad ibn Kurayb, from Kurayb, who said: I heard Ibn Abbas say: The Prophet, may Allah bless him and grant him peace, said: "Cursed is he who diminishes anything from the boundaries of the land without its right."