Who said "Mercy is a sign of weakness I cannot afford."?

This quote is attributed to Idi Amin.

Mercy is a sign of weakness I cannot afford. - Idi Amin

"Mercy is a sign of weakness I cannot afford."

Idi Amin Strength

Dictator, Military Leader Ugandan 1925–2003

"I have to say that the British were very wise in the way they used their poisonous gas in the Middle East."

"You cannot run faster than a bullet."

"I am the cleverest man in the world."

"The task before Uganda is to build a nation where all are equal."

"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."