Who said "The only constant is change. Get used to it."?

This quote is attributed to Lutz.

The only constant is change. Get used to it. - Lutz

"The only constant is change. Get used to it."

Lutz Change

"I'm not a nerd. I'm scientifically gifted."

"Sometimes you just gotta do what makes you happy, even if it's weird."

"Life's too short to worry about what other people think."

"I believe in the power of science and reason."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."