- "People almost invariably arrive at their beliefs not on the basis of proof but on the basis of what they find attractive."
- "There is a godshaped vacuum in the heart of every man, and only God can fill it."
- "But to prove Christ we have the prophecies which are solid and palpable proofs. By being fulfilled and proved true by the event, these prophecies show that these truths are certain and thus prove that Jesus is divine."
"[...] I do not read but love Pascal, as the most instructive victim of Christianity, murdered slowly, first physically, then psychologically [...]"
- Ecce Homo, II, 3, p. 243