One day the rabbi declares in the synagogue that from now on the buttered bread cannot fall on the buttered side.
Time passes, Kohn suddenly approaches the rabbi:
“Rabbi!”
Didn’t you say last time that the butter bread can’t fall on the butter half?
“But, son, I said so.”
“Because the thing is, yesterday I wanted to eat bread with butter, but I dropped it, and bread is butter…”
Full article: https://www.bikuci.hu/vicc-egy-nap-a-rabbi-kijelenti-a-zsinagogaban-hogy-ettol-kezdve-a-vajaskenyer-nem-9/