Felix Oswald: 5 books

The great truths of Nature are here ready for you, reader. Are you ready for them? Are you free from prejudice, and willing to read and reason without considering the opinions of so-called authorities ? To a free and intelligent human being there is no authority for him higher than his own...

Health that intoxicates with its power and intensity, is within the reach of all who are willing to reason for themselves, and begin that activity of muscle, mind and body without which there can be no health, for stagnation always means disease and death. Activity is the law of life. A machine made...

Had those islands any aborigines when discovered by Europeans? If there were natives, do any of them remain? The West Indies, or Antilles, consist of many hundreds, or even—reckoning keys or very small islands—several thousand islands varying in area from those which, like Cuba and Jamaica, number...

"Life in general is possible only between certain limits of temperature; and life of the higher kinds is possible only within a comparatively narrow range of temperature, maintained artificially if not naturally. Hence it results that social life, presupposing as it does not only human life,...

"The organism of the human body is a self-regulating apparatus. If a grain of caustic potash irritates the nerves of the palate, the salivary glands try to remove it by an increased secretion. The eye would wash it off by an immediate flow of tears. A larger quantity of the same substance could...