People
Moving again, I tried the lonely slope- my firm foot was always the one below.
— Dante Alighieri • The Divine Comedy

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker resumes travelling and takes a solitary, uphill way, noting the firm supporting foot always stayed lower. The image conveys slow, laboured progress: each step upward is anchored by the foot behind, making the climb feel unhurried, difficult and lonely.
Context reviewed