N'afọ 1866, ọ gụrụ akụkọ ihe mere eme nke ihe onwunwe nke Friedrich Albert Lange. Nkọwa nke Lange banyere nkà ihe ọmụma Kant nke na-emegide ihe onwunwe, ịrị elu nke ihe onwunwe nke Europe, nchegbu na-arịwanye elu nke Europe na sayensị, Charles Darwin's theory of evolution, na nnupụisi n'ozuzu megide ọdịnala na ikike nyere Nietzsche nnukwu mmasị. Nietzsche ga-arụ ụka na ọ gaghị ekwe omume ịkọwa nkọwa evolushọn nke echiche mmadụ. Na 1867, Nietzsche bịanyere aka maka otu afọ nke ọrụ afọ ofufo na ngalaba ndị agha Prussian na Naumburg. A na-ewere ya dị ka otu n'ime ndị na-agba ịnyịnya kachasị mma n'etiti ndị ọrụ ibe ya, ndị isi ya na-ebu amụma na ọ ga-eru ọkwa onye isi. Otú ọ dị, na March 1868, mgbe ọ na-abanye n'ịnyịnya nke ịnyịnya ya, Nietzsche kụrụ aka ya na ọkpụkpụ aka ya na ọkpụkpụ aka ya, na-ahapụ ya ka ọ na-enupụ n'akụkụ ọdịnala na ikike.
Akụkọ Banyere Ịhụ Ihe Onwunwe n'Anya