حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، أَنَّهُ بَلَغَهُ أَنَّ أَبَا بَكْرٍ الصِّدِّيقَ، قَالَ لَوْ مَنَعُونِي عِقَالاً لَجَاهَدْتُهُمْ عَلَيْهِ ‏.‏

Yahya related to me from Malik that he had heard that Abu Bakras-Siddiq said, "If they withhold even a hobbling cord I will fightthem over it." Translation Not Available

Book Ref: Muwatta Imam Malik Book 17 Hadith 608
Web Ref:  Muwatta Imam Malik Book 17 Hadith 31