"And the claim to be without sin is, in itself, evidence that he who makes this claim is far from holy. It is because he has no true conception of the infinite purity and holiness of God or of what they must become who shall be in harmony with His character; because he has no true conception of the purity and exalted loveliness of Jesus, and the malignity and evil of sin, that man can regard himself as holy. The greater the distance between himself and Christ, and the more inadequate his conceptions of the divine character and requirements, the more righteous he appears in his own eyes. GC 473.1"
"If we say that we have no sin, we deceive ourselves, and the truth is not in us."
The EGW passage directly addresses the claim of being without sin, mirroring the warning in 1 John 1:8. It expands on the idea by explaining why someone might falsely believe they are without sin, linking it to a lack of understanding of God's holiness and the nature of sin.
The sanctification set forth in the Scriptures embraces the entire being—spirit, soul, and body. Paul prayed for the Thessalonians that their “whole spirit and soul and body be preserved blameless unto the coming of our Lord Jesus Christ.” 1 Thessalonians 5:23 . Again he writes to believers: “I beseech you therefore, brethren, by the mercies of God, that ye present your bodies a living sacrifice, holy, acceptable unto God.” Romans 12:1 . In the time of ancient Israel every offering brought as a sacrifice to God was carefully examined. If any defect was discovered in the animal presented, it was refused; for God had commanded that the offering be “without blemish.” So Christians are bidden to present their bodies, “a living sacrifice, holy, acceptable unto God.” In order to do this, all their powers must be preserved in the best possible condition. Every practice that weakens physical or mental strength unfits man for the service of his Creator. And will God be pleased with anything les…
"And the very God of peace sanctify you wholly; and I pray God your whole spirit and soul and body be preserved blameless unto the coming of our Lord Jesus Christ."
Ellen White directly references 1 Thessalonians 5:23 in this passage.
"I beseech you therefore, brethren, by the mercies of God, that ye present your bodies a living sacrifice, holy, acceptable unto God, which is your reasonable service."
Ellen White directly references Romans 12:1 in this passage.