"Of exceptional importance. A genuine philosophy of nature, written by a physicist." - Hibbert Journal

"Bohm's challenging book perhaps marks the beginning of a retreat from high-flown obscurantism and a return to common sense in science." - Scientific American

"Bohm's ideas deserve careful study. . . . Through the stimulus it will provide for the thoughtful investigation of some of the most searching questions of modern physical science, this book serves a very useful purpose." - Physics Today