Al-Kāfi - Volume 6 > Oil and the Olive
Hadith #7

مُحَمَّدُ بْنُ يَحْيَى عَنْ عَبْدِ اللَّهِ بْنِ جَعْفَرٍ رَفَعَهُ قَالَ قَالَ أَبُو عَبْدِ اللَّهِ ( عليه السلام ) الزَّيْتُونُ يَزِيدُ فِي الْمَاءِ .

7. Muhammad ibn Yahya has narrated from ‘Abd Allah ibn Ja‘far in a marfu‘ manner who has said the following: “Abu ‘Abd Allah, ‘Alayhi al-Salam, has said, ‘Olives increase in water.’”