Three lines from a little jumper who is always alone even while hopping about. Short enough to say while actually jumping.
From Mother Goose / Nursery Rhymes (traditional). See the whole collection.
Here am I, little jumping Joan,
When nobody's with me
I'm always alone.
Public domain. Text from The Real Mother Goose (Blanche Fisher Wright, 1916), via Project Gutenberg. View the source edition