Who said "Work hard or work never. There's no middle ground."?

This quote is attributed to Lutz.

Work hard or work never. There's no middle ground. - Lutz

"Work hard or work never. There's no middle ground."

Lutz Work

"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."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."