"Let those who are teachers and leaders in our cause take their stand firmly on Bible ground in regard to health reform, and give a straight testimony to those who believe we are living in the last days of this earth's history. A line of distinction must be drawn between those who serve God and those who serve themselves. 9T 158.2 I have been shown that the principles that were given us in the early days of the message are as important and should be regarded just as conscientiously today as they were then. There are some who have never followed the light given on the question of diet. It is now time to take the light from under the bushel and let it shine forth in clear, bright rays. 9T 158.3"
"Then shall ye return, and discern between the righteous and the wicked, between him that serveth God and him that serveth him not."
EGW's statement about drawing a line between those who serve God and those who serve themselves echoes the sentiment in Malachi 3:18, which speaks of discerning between the righteous and the wicked, those who serve God and those who do not.
"The principles of healthful living mean a great deal to us individually and as a people. When the message of health reform first came to me, I was weak and feeble, subject to frequent fainting spells. I was pleading with God for help, and He opened before me the great subject of health reform. He instructed me that those who are keeping His commandments must be brought into sacred relation to Himself, and that by temperance in eating and drinking they must keep mind and body in the most favorable condition for service. This light has been a great blessing to me. I took my stand as a health reformer, knowing that the Lord would strengthen me. I have better health today, notwithstanding my age, than I had in my younger days. 9T 158.4"
"What? know ye not that your body is the temple of the Holy Ghost which is in you, which ye have of God, and ye are not your own? For ye are bought with a price: therefore glorify God in your body, and in your spirit, which are God’s."
EGW's emphasis on keeping the body in the best condition for service through temperance aligns with the principle in 1 Corinthians 6:19-20, which states that the body is a temple of the Holy Spirit and should be used to glorify God.