A more sure word of prophecy

Importance of Sound Minds in Sound Bodies—Mental and moral power is dependent upon the physical health. Children should be taught that all pleasures and indulgences are to be sacrificed which will interfere with health. If the children are taught self-denial and self-control, they will be far happier than if allowed to indulge their desires for pleasure and extravagance in dress.... 1MCP 61.3

Good health, sound minds, and pure hearts are not made of the first importance in households. Many parents do not educate their children for usefulness and duty. They are indulged and petted, until self-denial to them becomes almost an impossibility. They are not taught that to make a success of Christian life, the development of sound minds in sound bodies is of the greatest importance.—The Review and Herald, October 31, 1871. 1MCP 61.4