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

This quote is attributed to Trinity.

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

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

Trinity Gratitude

"The answer is out there, Neo, and it's looking for you."

"I know what you're thinking. You're thinking we're trapped in a computer. You're wrong."

"What are you waiting for? You're faster than this."

"There is no spoon."

"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"