Who said "Inspiration strikes only those prepared to receive it."?

This quote is attributed to Lannister.

Inspiration strikes only those prepared to receive it. - Lannister

"Inspiration strikes only those prepared to receive it."

Lannister Inspiration

"A Lannister always pays his debts."

"I am the god of tits and wine."

"You are an awful man."

"I drink and I know things."

"The best part of living is knowing you survived."

"The world needs heroes."

"Life is too short to live poorly."

"I'd rather be an optimist and be wrong than a pessimist and be right"