In 619, you have the death of his wife, Khadijah. And just to get a sense of how powerful Khadijah was to Muhammad, we have this quote that we get from the Hadith, which are accounts of Muhammad's life and sayings. And it tells us, "'God Almighty never granted me "'anyone better in this life than her. "'She accepted me when people rejected me. "'She believed in me when people doubted me. "'She shared her wealth with me when people deprived me. "'And God granted me children only through her.'"