Answer:
I am one with eight to spare, lest I lose my one. I'm not a number. What am I?
I may only be given but never bought. Sinners seek me but saints do not. (one word).
What is it that after you take away the whole some still remains?
I have no voice but I can teach you all there is to know. I have spines and hinges but I am not a door. Once I've told you all, I cannot tell you more. What am I?
I may be made of metal bone or wood and have many teeth. My bite hurts no one and the ladies love me.
I flow from the Homerβs mouth when he sees doughnuts.