Who said "Fear is illogical, and yet even I understand it now."?

This quote is attributed to Vision (WandaVision).

Fear is illogical, and yet even I understand it now. - Vision (WandaVision)

"Fear is illogical, and yet even I understand it now."

Vision (WandaVision) Fear

"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."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."