Who said "Even the tiniest voice can make the biggest difference."?

This quote is attributed to Tweety.

Even the tiniest voice can make the biggest difference. - Tweety

"Even the tiniest voice can make the biggest difference."

Tweety Courage

"I'm a tweety bird, that's me!"

"Suffering succotash! That's one angry cat."

"Hello, Doc!"

"Be vewy, vewy quiet... I'm hunting wabbits."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."