Who said "Death isn't the end - how you lived is."?

This quote is attributed to Cassie Lang.

Death isn't the end - how you lived is. - Cassie Lang

"Death isn't the end - how you lived is."

Cassie Lang Death

"Being small doesn't mean you can't make a big difference."

"I've learned that size is just a number when your heart is in the right place."

"Dad always says the best adventures are the ones you don't plan for."

"Growing up means learning to stand up for what you believe in."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."