Who said "Strength is measured not by muscle, but by will."?

This quote is attributed to Barbossa.

Strength is measured not by muscle, but by will. - Barbossa

"Strength is measured not by muscle, but by will."

Barbossa Strength

"The problem is not the problem. The problem is your attitude about the problem."

"Not all treasure is silver and gold, mate."

"Savvy?"

"I'm dishonest, and a dishonest man you can always trust to be dishonest."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."