61. We were told by Muhammed bin Hasan bin Ahmad bin Waleed, that he said: We were told by Hasan bin Mutayyal, the flour merchant, that he said: We were told by Muhammed bin Hussain bin Abi’l-Khattab, from Ibn Abi ‘Umayr, from Umar al-Karabeesi, from Abu Abdillah that he said: “The best among your youths is the one who resembles your old ones, and the worst among your old ones is the one who resembles your youths.”