Who said "I am not cruel—I am simply efficient in my methods."?

This quote is attributed to Frieza.

I am not cruel—I am simply efficient in my methods. - Frieza

"I am not cruel—I am simply efficient in my methods."

Frieza Truth

"I am the most powerful being in the universe!"

"You dare challenge me? How amusing."

"I have transcended beyond a normal Super Saiyan."

"Your resistance only makes this more entertaining."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."