Who said "A good death is better than a shameful life."?

This quote is attributed to Oberyn Martell.

A good death is better than a shameful life. - Oberyn Martell

"A good death is better than a shameful life."

Oberyn Martell

"I am the viper. When the time comes, I will strike."

"Elia of Dorne. My sister. You raped her. You murdered her children."

"I want to look the man in the eye and see the fear in his heart."

"The man who passes the sentence should swing the sword."