Who said "You were never a good liar, and now you're a dead liar."?

This quote is attributed to Ramsay Bolton.

You were never a good liar, and now you're a dead liar. - Ramsay Bolton

"You were never a good liar, and now you're a dead liar."

Ramsay Bolton Death

"I am the master of my fate. I answer to no one."

"If you think this has a happy ending, you haven't been paying attention."

"A man who must say 'I am the king' is no true king."

"You're a slow learner, but you do learn."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."