De officiis vs Self-knowledge: Which Should You Read?

Both live on shelves: Ethics, Conduct of life, Early works to 1800

Cover of De officiis

De officiis Cicero · 1465 ★★★★☆ 3.8 423 pages · ≈ 7 h 50 m · Demanding Find on Amazon

vs

Cover of Self-knowledge

Self-knowledge John Mason · 1745 ★★★★☆ 3.8 236 pages · ≈ 4 h 22 m · Demanding Find on Amazon

The verdict

Ratings are close: 3.8 vs 3.8 — either is a safe pick by score.
Self-knowledge is the quicker read — about 4 hours vs 7 for De officiis.

Side by side