Full Idea
When people speak of the times of their predecessors, they do not think after their predecessors are gone that their times can be any where else than in the memory of those that remember.
Gist of Idea
Past times can't exist anywhere, apart from in our memories
Source
Thomas Hobbes (De Corpore (Elements, First Section) [1655], 2.07.03)
Book Reference
Hobbes,Thomas: 'Metaphysical Writings', ed/tr. Calkins,Mary Whiton [Open Court 1905], p.46