How did Hellenistic philosophy influence Jewish, Christian, and Muslim thought?

Hellenistic philosophy—including Platonism, Neoplatonism, Stoicism, and Aristotelianism—served as a foundational intellectual framework for Jewish, Christian, and Muslim thought, providing technical vocabulary and organizing principles for theology and mysticism through the 18th century.12

Jewish Thought

The first systematic integration of Greek philosophy into Judaism was led by Philo Judaeus, who used concepts like the Logos to interpret biblical texts allegorically. While Philo’s influence on early Christianity was significant, his impact on medieval Jewish philosophy was limited until modern times. Later, medieval Jewish thinkers in the Islamic world, such as Isaac Israeli and Ibn Gabirol, incorporated strong Neoplatonic elements into their work.34

Christian Thought

Early Christian writers utilized Greek philosophy to defend and articulate their faith, presenting Christianity as the fulfillment of philosophical reason. Neoplatonic themes, such as the hierarchical universe and the soul's return to the divine, were central to this development. The concept of the Logos was notably adopted in the Gospel According to John to identify Jesus as the divine Word.2

Muslim Thought

Following the translation of Greek texts between 800 and 1000, Islamic theology and philosophy underwent a major development heavily influenced by Neoplatonism and Aristotelianism. Philosophers like al-Kindī, al-Fārābī, Avicenna, and Averroës engaged deeply with these traditions, shaping Islamic intellectual history through both formal study and oral disputation.45