Who said "In combat, hesitation is death."?

This quote is attributed to The Predator.

In combat, hesitation is death. - The Predator

"In combat, hesitation is death."

The Predator Leadership

"If it bleeds, we can kill it."

"Hunting is not murder. It is survival."

"The weak fall. The strong endure."

"Honor demands respect from all beings."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"