I don't see that a single line can constitute a stanza, although it can constitute a whole poem.
James FentonI can't tell you how much I respect all the single parents out there doing it all solo.
Jennie FinchThe differences between the sexes are the single most important fact of human society.
George GilderI have an incredible role model in my mom. She was a single mother raising two kids in New York.
Kim Raver