Who said "Gratitude opens doors we didn't know existed."?

This quote is attributed to Sebastian.

Gratitude opens doors we didn't know existed. - Sebastian

"Gratitude opens doors we didn't know existed."

Sebastian Gratitude

"You're under my spell, so don't try to resist me!"

"I'm not some common scoundrel!"

"Kiss the girl already!"

"The seaweed is always greener in somebody else's lake."

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"