Peter Kreeft Quote

Reason is His voice, His interior prophet, in our souls. We call that prophet conscience. (St. Thomas used two terms for it: synderesis was the awareness of its reality and truth and authority and rules, and conscience was the application of it. We use conscience for both.) Conscience is essentially the power of reason to know good and evil.

Peter Kreeft

Reason is His voice, His interior prophet, in our souls. We call that prophet conscience. (St. Thomas used two terms for it: synderesis was the awareness of its reality and truth and authority and rules, and conscience was the application of it. We use conscience for both.) Conscience is essentially the power of reason to know good and evil.

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About Peter Kreeft

Peter John Kreeft (; born March 16, 1937) is a professor of philosophy at Boston College and The King's College. A convert to Roman Catholicism, he is the author of over eighty books on Christian philosophy, theology and apologetics. He also formulated, together with Ronald K. Tacelli, Twenty Arguments for the Existence of God in their Handbook of Christian Apologetics.