We do not need take the principles for our party from a book that supposingly was revealed from the heaven. [Ataturk, Soylev ve Demecleri (Istanbul 1945) 389]
There is no religion, only the people. [Wrote on the cover of the book of Ruseni Barkin]
Respected people, every man should move his religion on the side if he wants to strive towards a civilized society.[Diary notes, Mustafa Kemal, Nutuk, 460.]
His close friends like Reza Nur, an atheist and Kazim Karabekir Pasa all claim he was an enemy to Islam and an atheist. He removed the shariah courts.
The great Ottoman scholar Shaykh al-Islam Mustafa Sabri called him kaafir and a British puppet. [Mustafa Sabri Efendi, Hilafetin ilgasinin arka plani (Istanbul)]