The rabbi replies "Yes. Once in my youth I had a moment of weakness, and I ate a ham sandwich."
The priest nods. After a few minutes the rabbi asks "So, Father, I don't mean to pry, but did you ever violate your vow of chastity?"
The priest sighs. "To my shame, yes. Once in my youth I had a moment of weakness, and I lay with a woman."
The rabbi thought for a moment. "Sure beats the hell out of a ham sandwich, doesn't it?"
The next week the preacher was seen with his trusty old bike again. “Ahh - I knew preaching on the Big Ten would get you your bike back!”
“Well - yes, but not exactly like you thought. I got to the one about “Thou Shalt Not Commit Adultery”; and I remembered where I left it.”