The students of our schools should consider that through the contemplation of sin, the sure result has followed, and their God-given faculties have been weakened and unfitted for moral advancement, because they have been misapplied. There are many who admit this as the truth. They have cherished pride and self-conceit, until these evil traits of character have become a ruling power, controlling their desires and inclinations. While they have had a form of godliness, and have performed many acts of self-righteousness, there has been no real heart change. They have not brought their life practices into definite and close measurement with the great standard of righteousness, the law of God. Should they critically compare their life with this standard, they could not but feel that they were deficient, sin-sick, and in need of a physician. They can only understand the depth to which they have fallen, by beholding the infinite sacrifice that has been made by Jesus Christ, to lift them out of…
"Unto the pure all things are pure: but unto them that are defiled and unbelieving is nothing pure; but even their mind and conscience is defiled."
Both passages address the issue of defilement and its impact on perception. EGW discusses how sin weakens faculties and prevents moral advancement, while Titus 1:15 states that to the defiled, nothing is pure. The connection is thematic, focusing on the corrupting influence of sin.