Who said "We can't give up, no matter how difficult the case becomes."?

This quote is attributed to Velma Dinkley.

We can't give up, no matter how difficult the case becomes. - Velma Dinkley

"We can't give up, no matter how difficult the case becomes."

Velma Dinkley Hope

"Jinkies!"

"My glasses! I can't see without my glasses!"

"Let's split up, gang."

"This is no accident. There are clues here."

"Every day is a new opportunity."

"Hope is what gets us through difficult times."

"I'm not your enemy, kid. I'm trying to save you."

"Redemption is a long road."