Who said "I'm grateful for every chance to prove I'm the best!"?

This quote is attributed to Yosemite Sam.

I'm grateful for every chance to prove I'm the best! - Yosemite Sam

"I'm grateful for every chance to prove I'm the best!"

Yosemite Sam Gratitude

"I'm the meanest, toughest hombre in the whole dang west!"

"You better watch your manners or I'll blow you to smithereens!"

"Ain't nobody gonna outsmart Yosemite Sam!"

"Life's too short to be pushy-footed about things!"

"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"