"Respect an old man who has lost his learning: remember that the fragments of the Tablets broken by Moses were preserved alongside the new." ~~ Talmud: Berakot 8b
"One present moment is worth more than seven months gone by." ~~ T. Shapira
"Boys should be given bread, old men—oil, babies—honey." ~~ Talmud, Yoma
"The ignorant think less clearly as they grow older; scholars think more clearly as they age." ~~ Talmud, Kinnin
"If youth knew; if age could. " ~~ Sigmund Freud
"Idleness causes boredom." ~~ Ketubot 5:5
"A young man has to live and an old man wants to." ~~ Yiddish Proverb
"Who respects the elderly is as if he respects the Lord." ~~ Alphabet of Ben Sira
"Charity lengthens one’s days and years." ~~ Tana Deve Eliyahu Zuta
"Do not dishonor the old: we shall all be numbered among them." ~~ Ben Sira
"To seek wisdom in old age is like a mark in the sand; to seek wisdom in youth is like an inscription on stone." ~~ Ibn Gabirol
"Till you are forty there is profit in eating, from then on drinking prospers." ~~ Talmud, Shabbat