The question Is the following a Hadith, and what does it mean? "The best of your youths are...

The question Is the following a Hadith, and what does it mean? “The best of your youths are those who resemble men of mature age, while the worst of your men of middle age are those who resemble youths.” [‘Ali Mawardi, Adab al-Dunya wa’l-Din 27; Ghazali,… The best youth

http://dlvr.it/6RCr9T