Full Idea
In a single day there lies open to men of learning more than there ever does to the unenlightened in the longest of lifetimes.
Gist of Idea
Learned men gain more in one day than others do in a lifetime
Source
Posidonius (fragments/reports [c.95 BCE]), quoted by Seneca the Younger - Letters from a Stoic 078
Book Reference
Seneca: 'Letters from a Stoic (Selections)', ed/tr. Campbell,Robin [Penguin 1969], p.139
A Reaction
These remarks endorsing the infinite superiority of the educated to the uneducated seem to have been popular in late antiquity. It tends to be the religions which discourage great learning, especially in their emphasis on a single book.