The greatest states have been overthrown by the young and sustained and restored by the old. ... Rashness is the product of the budding-time of youth, prudence of the harvest-time of age.
Maximas res publicas ab adulescentibus labefactatas, a senibus sustentatas et restitutas reperietis. ... temeritas est videlicet florentis aetatis, prudentia senescentis.
Original text (Latin)
Notes from Wikiquote
section 20