Who said "Life's a duel - either you're fast or you're finished."?

This quote is attributed to Yosemite Sam.

Life's a duel - either you're fast or you're finished. - Yosemite Sam

"Life's a duel - either you're fast or you're finished."

Yosemite Sam Life

"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!"

"Life is meant to be lived with passion."

"Life is what happens when you're busy making other plans."

"Life is a journey, not a destination."

"Life's too short for regrets."