English: Our Rabbis taught: One who sees a dog in a dream should rise early and say, “But against any of the children of Yisrael a dog shall not whet its tongue,” before another verse anticipates him.
On the daf / in context: See the cited source for the full section.
Type of Learning
Derash on the verse (Bavli / midrash) — not a formal named middah of the 13.
What Is Learned
One who dreams of a dog should recite this verse promptly, so that the dream is interpreted for good.