What is the theme of the story it's opening day by w. m. akers?

The weather was growing crisper. It was getting dark later, and Matthew had stopped wearing a coat to school. Spring was coming, but that didn’t matter to him. What was really important was it was April. April meant baseball. April meant the end of the long, cold off-season.

nautre

nature is sure to be the best thing on earth

the sunshine and beauty is sure to be worth

this can't be sold

for any money or gold

because nature is strongly beautiful and is the best thing to happen on earth