"It is the customary fate of new truths to begin as heresies and end as superstitions." Thomas Huxley,
Science and Culture (quoted in
Desiring God by John Piper)
Convictions are more dangerous enemies of truth than lies.
from Nietzsche's Human, all too Human, s.483, R.J. Hollingdale transl. (quoted in an article read during master's module on creativity and critical thinking eech)
A couple of atheists whose words say more about human nature than any particular belief system.