Who said "I view pity as a weakness to be purged from my servants."?

This quote is attributed to Frieza.

I view pity as a weakness to be purged from my servants. - Frieza

"I view pity as a weakness to be purged from my servants."

Frieza Strength

"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."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."