You must become an old man in good time if you wish to be an old man long. [Lat., Mature fieri senem, si diu velis esses senex.]
"De Senectute", 10, as quoted in Hoyt's New Cyclopedia Of Practical Quotations (1922), p. 12-17,
![You must become an old man in good time if you wish to be an old man long. [Lat., Mature fieri senem, si diu velis esses senex.]](http://cdn.quoteddaily.com/images/marcus-tullius-cicero/you-must-become-an-old-man-in-good-time-if-you-wish-to-be-an-old-man-longlat-mature-fieri.jpg)