The life of Paul, to its very latest hour, testified to the truth of his words in the second Epistle to the Corinthians: “For God, who commanded the light to shine out of darkness, hath shined in our hearts, to give the light of the knowledge of the glory of God in the face of Jesus Christ. But we have this treasure in earthen vessels, that the excellency of the power may be of God, and not of us. We are troubled on every side, yet not distressed; we are perplexed, but not in despair; persecuted, but not forsaken; cast down, but not destroyed; always bearing about in the body the dying of the Lord Jesus, that the life also of Jesus might be made manifest in our body.” His sufficiency was not in himself, but in the presence and agency of the divine Spirit that filled his soul, and brought every thought into subjection to the will of Christ. The fact that his own life exemplified the truth he proclaimed, gave convincing power to both his preaching and his deportment. Says the prophet, “Thou wilt keep him in perfect peace, whose mind is stayed on Thee; because he trusteth in Thee.” It was this Heaven-born peace, expressed upon the countenance, that won many a soul to the gospel.{LP 330.1}

Paulus liv bevidnede, i allersidste stund, sandheden i hans ord i andet brev til korinterne: " Thi Gud, som sagde: »Af mørke skal lys skinne frem, blev selv et skinnende lys i vore hjerter, for at kundskaben om Guds herlighed på Kristi åsyn må lyse klart. Men denne skat har vi i lerkar, for at den overvældende kraft må være fra Gud og ikke fra os selv. På alle måder er vi hårdt trængte, men ikke indestængte, tvivlrådige, men ikke fortvivlede, forfulgte, men ikke forladte, slået til jorden, men ikke slået ihjel. Altid bærer vi Jesu dødslidelse med os på vort legeme, for at også Jesu liv må blive åbenbart i vort legeme." Hans tilstrækkelighed var ikke hos ham selv, men i under nærvær af den guddommelige Ånds virke, som fyldte hans sjæl, og bragte alle tanker under Kristi vilje. Den kendsgerning at hans eget liv var eksempel for den sandhed han forkyndte, gav en overbevisende kraft for både hans forkyndelse og optræden. Profeten siger: "Hvis sind er fast, som vogter på fred, thi det stoler på dig." Det var denne himmelskfødte fred, udtrykt i ansigtet, som vandt mange sjæle til evangeliet.