Who said "We should trust the evidence, not our assumptions."?

This quote is attributed to Velma Dinkley.

We should trust the evidence, not our assumptions. - Velma Dinkley

"We should trust the evidence, not our assumptions."

Velma Dinkley Truth

"Jinkies!"

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

"Let's split up, gang."

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

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."