Virtues and Merits of the Prophet (pbuh) and his Companions
Bukhari :: Book 4 :: Volume 56 :: Hadith 672
Narrated Abu Huraira:
That he heard Allah's Apostle saying, "While a lady was nursing her child, a rider passed by and she said, 'O Allah! Don't let my child die till he becomes like this (rider).' The child said, 'O Allah! Don't make me like him,' and then returned to her breast (sucking it). (After a while) they passed by a lady who was being pulled and teased (by the people). The child's mother said, 'O Allah! Do not make my child like her.' The child said, 'O Allah! Make me like her.' Then he said, 'As for the rider, he is an infidel, while the lady is accused of illegal sexual intercourse (falsely) and she says: Allah is sufficient for me (He knows the truth)."