"What philosopher said to love your fellow man as you love yourself? What philosopher said if a man asks you to walk a mile with him, walk three? What philosopher was anti-materialist?"
i bet if you went further back than 2000 years you'd find someone who said similar way before it was reported to have said by "jesus", its all common sense to people who have compassion. Compassion wasn't invented by "jesus".
Any Jewish historians write him up? Rome created the Christian mythology by clever editing of events, letters and scrolls so i'm not sure i could trust a roman historian. When did these roman historians write up about him?