这些句子,出自哪里的?

我查了一下，有很多种说法
1 William W. Purkey

You've gotta' dance like there's nobody watching,
Love like you'll never be hurt.
Sing like there's nobody listening,
And live like it's heaven on earth.'
(And speak from the heart to be heard.)

“Come From the Heart”
Written by Susanna Clark and Richard Leigh
Performed by Kathy Mattea on 'Willow in the Wind'

My daddy told me when I was a young girl
A lesson he learned, it was a long time ago
If you want to have someone to hold onto
You're gonna have to learn to let go
You got to sing like you don't need the money
Love like you'll never get hurt
You got to dance like nobody's watchin'
It's gotta come from the heart
If you want it to work
Now here is the one thing I keep forgettin'
When everything is falling apart
In life as in love, you know I need