Who said "Fear's a good teacher if you don't let it be your master."?

This quote is attributed to Yosemite Sam.

Fear's a good teacher if you don't let it be your master. - Yosemite Sam

"Fear's a good teacher if you don't let it be your master."

Yosemite Sam Fear

"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!"

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."