Who said "I have learned that existence is precious."?

This quote is attributed to Vision (WandaVision).

I have learned that existence is precious. - Vision (WandaVision)

"I have learned that existence is precious."

Vision (WandaVision) Life

"I am Vision. I am not Jarvis anymore."

"What is grief, if not love persevering?"

"I don't fully understand the human capacity for deception."

"Perhaps I am meant to be alone."

"Life is meant to be lived with passion."

"Life is what happens when you're busy making other plans."

"Life is a journey, not a destination."

"Life's too short for regrets."