Al-Raghib al-Isbahani (d. c. 1108 CE, though dates vary) was a scholar of Isfahan, best known for his dictionary of Quranic vocabulary and his works on ethics and the soul.
Islam Central has 2 summaries of works by al-Raghib al-Isbahani, each in short audio and text chapters with a free preview on its page.

Al-Raghib al-Isbahani on the human being, made for two worlds: why we were created, why people differ, how reason and revelation work together, why we worship, and how habits and death shape the journey.
13 chapters · 31 min
Al-Raghib al-Isbahani on when to mix and when to withdraw, why we love, what true friendship is, how to choose a friend, and how to keep one.
12 chapters · 49 minSpirituality book summariesIslamic Practice & Guidance book summariesAll authorsAll book summaries