Human All Too Human: A Book for Free Spirits is a book by 19th-century philosopher Friedrich Nietzsche. The book is Nietzsche’s first in the aphoristic style that would come to dominate his writings discussing a variety of concepts in short paragraphs or sayings. Reflecting an admiration of Voltaire as a free thinker but also a break in his friendship with composer Richard Wagner two years earlier Nietzsche dedicated the original 1878 edition of Human All Too Human ‘to the memory of Voltaire on