Who said "I'm grateful for mysteries that test my abilities."?

This quote is attributed to Velma Dinkley.

I'm grateful for mysteries that test my abilities. - Velma Dinkley

"I'm grateful for mysteries that test my abilities."

Velma Dinkley Gratitude

"Jinkies!"

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

"Let's split up, gang."

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

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"