Take the following as truth: The address (Obras Completas, Aguilar, Madrid, 1963) is a 5,000-word virtuoso performance in which he describes duende variously as  the spirit of the earth,  with Dionysian roots, and as  the mysterious spirit of sorrowful Spain. 
Then the following statement: "There is no such thing as spirits." is true, false, or inconclusive?
Answer: False