Who said "Progress requires letting go of old ideas."?

This quote is attributed to Jerry Smith.

Progress requires letting go of old ideas. - Jerry Smith

"Progress requires letting go of old ideas."

Jerry Smith

"I'm not a smart man, but I know what love is."

"Sometimes you just gotta take a step back and look at the big picture."

"Life is about making the best of what you've got."

"I don't always know the right answer, but I try my best."