I love all dogs, and just my opinion, but I think a small dog is more likely to bite than a large one. Don and I have both been bit by Schnauzers, duh, one was ours and one was our daughters, unless it's just Schnauzers. LOL
My cousin in New Hampshire had a Great Dane and when I first saw her we were about nose to nose and I thought wow I better watch out. Then my cousin said take her for a walk on the leash, I'm thinking ya right, but I did, and she was the most gentle dog I have ever seen. I loved her very much.
Jackie