Who said "No king rules alone."?

This quote is attributed to Tyrion Lannister.

No king rules alone. - Tyrion Lannister

"No king rules alone."

Tyrion Lannister Leadership

Character in A Clash of Kings

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"I drink and I know things"

"I drink and I know things."

"Never forget what you are, for surely the world will not."

"All dwarfs may be bastards, yet not all bastards are dwarfs."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"