Those books are Human, All Too Human and On The Genealogy of Morals.
This person wrote, "Convictions are more dangerous enemies of truth than lies." In another book, he contrasted master morality with slave morality and wrote, "Man would rather will nothingness than not will." Those books are Human, All Too Human and On The Genealogy of Morals. This writer also contemplated eternal recurrence in The Gay Science, and he wrote about the transvaluation of all values and the Übermensch in Thus Spoke Zarathustra, where he repeated the phrase "God is dead." Name this nineteenth-century German philosopher who also wrote Ecce Homo and Beyond Good and Evil.
This person wrote, "Convictions are more dangerous enemies of truth than lies."
Friedrich (Wilhelm) Nietzsche