Who said "A man must face his fears or be forever ruled by them."?

This quote is attributed to Davos Seaworth.

A man must face his fears or be forever ruled by them. - Davos Seaworth

"A man must face his fears or be forever ruled by them."

Davos Seaworth Fear

"I am a man of humble birth, but I have served kings and lords, and I know the value of loyalty."

"The night is dark and full of terrors, but we must face them with courage."

"A good man keeps his word, no matter the cost."

"I've seen things that would break a lesser man, but I endure."

"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."