Martial Quotes about Past

Virtue extends our days: he lives two lives who relives his past with pleasure.
Epigrams, X, 23, c. 80 - 104 AD.
"Epigrams". Book X, 23. As translated in "Bartlett's Familiar Quotations" by John Bartlett (1919), c. 80 - 104 AD.
"Epigrams" (c. 80-104 AD), X. 23. 7 in "Hoyt's New Cyclopedia Of Practical Quotations" by Jehiel Keeler Hoyt, (pp. 440-455), 1922.