A Shorter Summa by Peter Kreeft

The Essential Philosophical Passages of St. Thomas Aquinas

A concise, accessible condensation of key Thomistic arguments and teachings that selections and plain-language commentary present for modern readers; it distills central proofs for God’s existence, discussions of divine attributes and creation, accounts of human nature, knowledge, free will, sin and virtue, and the natural law, preserving the logical rigor of medieval scholasticism while stressing practical moral applications and making complex theological and philosophical ideas usable for students and general readers.

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