Who said "We find the truth, one clue at a time."?

This quote is attributed to Scooby-Doo.

We find the truth, one clue at a time. - Scooby-Doo

"We find the truth, one clue at a time."

Scooby-Doo Patience

"Scooby-Dooby-Doo, where are you?"

"Ruh-roh!"

"Like, zoinks!"

"Let's split up, gang!"

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."