Who said "Solitude allows one to plan more clearly than crowds."?

This quote is attributed to Lannister.

Solitude allows one to plan more clearly than crowds. - Lannister

"Solitude allows one to plan more clearly than crowds."

Lannister Solitude

"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."

"Sometimes being the best means being the loneliest."

"Solitude gives us time to reflect on what matters"

"I'm not good with people, never have been."

"I feel like I'm disappearing."