"After Proust, there are certain things that simply cannot be done again. He marks off for you the boundaries of your talent"

In this quote, Francoise Sagan is referring to the impact that French author Marcel Proust had on the literary world. She suggests that after Proust's groundbreaking work, there are certain things that can never ever be duplicated or accomplished again. Proust's writing was so distinct and prominent that it set a basic and defined the limitations of what is possible for other writers. Sagan thinks that Proust's skill was so extraordinary that it acts as a criteria for other writers, revealing them the borders of their own abilities. Basically, Proust's work works as a reminder of the immense talent and imagination that exists worldwide of literature.