Wahlstedt, Pekka: Hyvä elämä on uusien totuuksien luomista. Acatiimi, 2015, nro 6. Artikkelin verkkoversio. Viitattu 21.9.2023.
bbc.co.uk
”Most histories of atheism choose the Greek and Roman philosophers Epicurus, Democritus, and Lucretius as the first atheist writers.” First Atheist writers 2.10.2002, päivitetty 22.10.2009. BBC. Viitattu 19.4.2007. (englanniksi)
”Humanism is a democratic and ethical life stance, which affirms that human beings have the right and responsibility to give meaning and shape to their own lives. It stands for the building of a more humane society through an ethic based on human and other natural values in the spirit of reason and free inquiry through human capabilities.” Suomennos: Hartikainen, Erkki: Ateismi ja aatteet. Vapaa ajattelija, 2/2002. Artikkelin verkkoversio. Viitattu 3.7.2008.