Who said "Change is the only constant in the struggle for power."?

This quote is attributed to Cersei Lannister.

Change is the only constant in the struggle for power. - Cersei Lannister

"Change is the only constant in the struggle for power."

Cersei Lannister Change

"Power is a woman's best lover."

"I am of the night, and the night is dark and full of terrors."

"When you play the game of thrones, you win or you die."

"Tears aren't a woman's only weapon; the most powerful one is between her legs."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."