Honest people can be mistaken, this includes both theists and atheists.
Wisdom comes from understanding the true depth of ones ignorance, that there is a difference between "knowing" something to be true, and "believing" something to be true. One requires faith, the other does not.
"Facts are stubborn things; and whatever may be our wishes, our inclinations, or the dictates of our passion, they cannot alter the state of facts and evidence". John Adams
"A dishonest man can always be trusted to be dishonest". Captain Jack Sparrow
