Eating the flesh of dead animals has an injurious effect upon spirituality. When meat is made the staple article of food, the higher faculties are overborne by the lower passions. These things are an offense to God, and are the cause of a decline in spiritual life.... Whatever we do in the line of eating and drinking should be done with the special purpose of nourishing the body, that we may serve God to His name's glory. The whole body is the property of God, and we must give strict attention to our physical well-being, for the religious life is closely related to physical habits and practices.—Letter 69, 1896. 3SM 290.3
The Lord has been teaching His people that it is for their spiritual and physical good to abstain from flesh eating. There is no need to eat the flesh of dead animals.—Letter 83, 1901. 3SM 291.1