Who said "I've learned that fear is just another tool to master."?

This quote is attributed to Whiplash.

I've learned that fear is just another tool to master. - Whiplash

"I've learned that fear is just another tool to master."

Whiplash Fear

"I build things, I build weapons, I build better versions of what already exists."

"You think you're the only one who can play with lightning?"

"I know who I am. I'm the guy who builds better tech than you."

"Revenge is a dish best served with electricity."

"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."