Even such simple matters as living fire must be spoken of in the book Heart. Some of the best people are satisfied with electric lighting, forgetting how many illnesses have been brought on by energies that once were deliberately bottled up. The same thing goes for rays. Why do people fail to notice that X-rays affect the heart? Nor do they care to note the influence of metals on the heart. A great many experiments are necessary in learning to control the surrounding conditions even to a slight degree. Though people wish to be freed from illnesses, they are in a hurry to increase them. We should not be regarded as musty old opponents of inventions; quite the contrary, We are summoning people to new discoveries.
It is essential to take into consideration the special conditions of the present time. Understand the shifting of the peoples and the formation of new fiery manifestations, which may have a profound impact. Whoever is able to maintain a mood of solemnity is acting correctly. Harmony and cheerfulness are needed—take very good care of the heart. (Heart (opens in new tab), 105)