This book is the second volume of John Tyndall's Fragments Of Science, and contains a series of dedicated introductory essays, lectures, and reviews covering a wide range of topics including: Reflections on Prayer and Natural Law, Miracles and Special Providences, On Prayer as a form of Physical Energy, Vitality, Matter and Force, Scientific Materialism, Etc. Conveyed in an engaging and accessible manner, this fascinating text is a must-have for anyone interested in the topic of science in relation to spirituality. John Tyndall was an influential 19th century physicist. Originally published in 1871, this test is republished now with an introductory biography of the author.