Religious sources such as the Catholic priests Georges Lemaitre, Cusa, Grimaldi and von Kleist?
"Religious sources such as the Catholic priests Georges Lemaitre, Cusa, Grimaldi and von Kleist?"
I can't say that every religious source is bad, but if 1 in a million is not a bad source, then it is still sufficiently close enough to 0 for me not to worry about it. And if religion is not their motive, and their science is good, I shouldn't even notice that they are religious.