Who said "The hardest part of any job is the part nobody sees."?

This quote is attributed to Jack Rudolph.

The hardest part of any job is the part nobody sees. - Jack Rudolph

"The hardest part of any job is the part nobody sees."

Jack Rudolph Work

"We're in the business of making people laugh. That's not nothing."

"Life's too short to write bad television."

"The best ideas come at 3 AM when you can't sleep because you're terrified."

"Love is the only thing worth staying up all night for."

"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."