Who said "Laughter and joy make the hard training worthwhile."?

This quote is attributed to Misty.

Laughter and joy make the hard training worthwhile. - Misty

"Laughter and joy make the hard training worthwhile."

Misty Humor

"You're such a jerk, Ash!"

"Somebody's gotta keep you in line!"

"We're a team, and we stick together!"

"You can't just run off without thinking!"

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."