It is narrated from Sayyiduna Anas (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) passed by a date lying on the road, and he (peace and blessings be upon him) said: "Were it not that I fear it may be from the charity, I would have eaten it."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب اللقطة / 12097