Human, All Too Human: A Book for Free Spirits is a remarkable collection of almost 1,400 aphorisms penned by the renowned philosopher Friedrich Nietzsche. This collection was first published in three installments, with the first volume appearing in 1878, just before Nietzsche left academic life due to health issues. It was later republished in a two-volume edition in 1886.

This work marks a significant shift in Nietzsche's philosophical approach, showcasing his new "positivism" and skepticism. Here, Nietzsche challenges his earlier metaphysical and psychological assumptions with characteristic perceptiveness and honesty, not to mention suspicion and irony.

In this wide-ranging work, Nietzsche first employed his celebrated aphoristic style, perfectly suited to his iconoclastic, penetrating, and multi-faceted thought. Many themes of his later works make their initial appearance here, expressed with unforgettable liveliness and subtlety. This book well deserves its subtitle, "A Book for Free Spirits," and its original dedication to Voltaire, whose project of radical enlightenment found a new champion in Nietzsche.