From Lady and the Tramp
[Lady approaches the baby's room deep in thought and singing to herself
What is a baby? I just can't understand. It must be something wonderful. It must be something grand. 'Cause everybody's smiling, in a kind and wistful way, and they haven't even noticed that I'm around today.
[Jim Dear comes down the stairs whistling, doesn't notice her
What is a baby, anyway? Oh what is a baby? I must find out today, what makes Jim Dear and Darling... act... this... way...