I am Tarzan, King of the Apes, mighty hunter, mighty fighter. In all the jungle there is none so great. - Edgar Rice Burroughs

[..] it has remained for man alone among all creatures to kill senselessly and wantonly for the mere pleasure of inflicting suffering and death.

One by one the tribe swung down from their arboreal retreats and formed a circle about Tarzan and his vanquished foe. When they had all come Tarzan turned toward them. "I am Tarzan," he cried. "I am a great killer. Let all respect Tarzan of the Apes and Kala, his mother. There be none among you as mighty as Tarzan. Let his enemies beware."

p 18 - Hundreds of thousands of years ago our ancestors of the dim and distant past faced the same problems which we must face in the same primeval forest. That we are here today evidences their victory.