Inquiry trumps faith.
"There is only one way to avoid criticism:
do nothing, say nothing, and be nothing."
Lack of empirical evidence
Discovery trumps revelation.
"It is the mark of an educated mind
to be able to entertain a thought
without accepting it."
Reason trumps custom.
"Our remote ancestors have handed down remnants to posterity in the form of myth,
to the effect that the heavenly bodies are gods and that the divine encompasses
the whole of nature. But the rest has been added by way of myth to persuade the vulgar
and for the use of the laws and expediency."
The argument from evil
Autonomy trumps piety.
"Men create gods after their own image,
not only with regard to their form
but with regard to their mode of life."