let the sun shine in歌詞

mommy told me something
a little kid should know
it‘s all about the devil
and i learned to hate him so
she said he causes trouble when you let him in your room
he‘ll never ever leave you if your heart is filled with gloom
chorus:
so let the sun shine in
face it with a grin
smilers never lose
and frowners never win
so let the sun shine in
face it with a grin
open up your heart and let the sun shine in
when&n