Librarians: Kicking Ignorance in the Balls for Over 4000 Years. - Jim C. Hines

Earthmaker sounds like a useful person to have around," Jig said.
"Aye. He's one who rewards his followers. Over a hundred years I've offered up my sacrifices and prayed to him for guidance. Far be it from me to guess the mind of a god, but I'm thinking he'll not repay a century of service by letting us all die here."
Ryslind strolled to the dwarf's side. "Yet for all of your devotion, your magic is still limited to those powers your god grants you. To be so dependent on the whim of a deity would be disturbing, to say the least."
"It's called faith," Darnak snapped. "And it's a far cry safer than your wizardry. When's the last time you heard about a priest blowing himself up after trying a new spell and waving three fingers instead of four?

Madmen in the noble line are as common as rat turds in the grain shed.

The most difficult part was letting yourself ignore the lies your eyes told. Eyes were like children. If they had nothing to say, they made things up.