Inside Out & Back Again Sadness Quotes

The first sign of sadness we get is about Hà's father, who has been missing for nine years, yet everyone hopes is still alive.

Even in school, where the children are happiest, there is no current news that doesn't make them feel sad. So though Hà seems like a generally happy kid, she is surrounded by sadness in Saigon.

Is it possible to be born with some knowledge of sadness? Is this what people mean when they say a baby has wisdom in their eyes?