What is thematically posited is only what is given, by pure reflection, with all its immanent essential moments absolutely as it is given to pure reflection.

He broke with the positivist orientation of the science and philosophy of his day yet he elaborated critiques of historicism and of psychologism in logic. Edmund Gustav Albrecht Husserl (German: [ˈhʊsɐl]; April 8 1859 – April 26 1938) was a philosopher and mathematician and the founder of the 20th century philosophical school of phenomenology.