I demonstrate that God is properly eternal — that is, without beginning or end, never about to cease. FIRST, from the testimony of sacred Scripture: Psalm 90:2; Isaiah 57:15; Genesis 21:33; Daniel 7:13; Romans 16:26; 1 Timothy 1:17. SECOND, from the immutability of essence. THIRD, from the absolute necessity of existing. FOURTH, from independence.
FIFTH, from simplicity of nature. SIXTH, from catholic consent — Athenagoras, Cyprian, Augustine, Gregory, Anselm, Bernard, Albert the Great. SEVENTH, from the reckoning of the philosophers — Aristotle, Metaphysics XII.7.
Latin
Demonstro autem Deum proprie aeternum esse, id est, ab anteriore et posteriore interminabilem, nunquam coepisse, nunquam desiturum esse. PRIMO, a sacrae Scripturae testimonio, Psal. XC.2; Isa. LVII.16; Gen. XXI.33; Dan. VII.13; Rom. XVI.26; I Tim. I.17. SECUNDO, ab essentiae immutabilitate. TERTIO, ab absoluta existendi necessitate. QUARTO, ab independentia. QUINTO, a naturae simplicitate. SEXTO, a consensu catholico — Athenagoras, Cyprianus, Augustinus, Gregorius, Anselmus, Bernhardus, Albertus Magnus. SEPTIMO, a calculo philosophorum — Aristoteles Metaph. XII.7.