People
In science, read, by preference the newest works; in literature, the oldest. The classics are always modern. Caxtoniana: Hints on Mental Culture.
— Caxtoniana

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The advice distinguishes keeping current in science from reading older literature, arguing that classics retain relevance. The final line is the retained book citation; the archived Caxtoniana credit is preserved.
Context reviewed