When Charlotte Mason discussed the spiritual life in relationship to ideas, she identified spiritual life as the life of thought, of feeling, of the soul, of that which is not physical. This very human life needs food, and “this life is sustained upon only one manner of diet: the diet of ideas—the living progeny of living minds.”
She uses this framework—the spiritual life is sustained only by a diet of ideas—to answer the perennial question, “What manner of school books should our boys and girls use?”