We find in every such instance a good reason why they cannot live out the health reform. They do not live it out, and have never followed it strictly, therefore they cannot be benefited by it. Some fall into the error that because they discard meat they have no need to supply its place with the best fruits and vegetables, prepared in their most natural state, free from grease and spices. If they would only skillfully arrange the bounties with which the Creator has surrounded them, parents and children with a clear conscience unitedly engaging in the work, they would enjoy simple food, and would then be able to speak understandingly of health reform. Those who have not been converted to health reform, and have never fully adopted it, are not judges of its benefits. Those who digress occasionally to gratify the taste in eating a fattened turkey or other flesh meats, pervert their appetites, and are not the ones to judge of the benefits of the system of health reform. They are controlled …
"And God said, Behold, I have given you every herb bearing seed, which is upon the face of all the earth, and every tree, in the which is the fruit of a tree yielding seed; to you it shall be for meat."
The EGW quote directly addresses the idea of substituting meat with fruits and vegetables, which is directly related to the Genesis 1:29 passage where God provides herbs and fruits for food. The EGW quote expands on this idea in the context of health reform.