Answer:
Frost explains that nothing, especially that which is perfect and beautiful, can last forever.
Explanation:
the theme of this poem is a bleak one. Spring flowers will die, children will grow up and lose their innocence, and all people will eventually die, too. This may seem depressing, but there is a silver (or gold) lining to be found in this poem.
Everybody must understand that nothing lasts forever, for everything, there is a time and season.
