Chief Sealth never delivered Chief Sealth's speech. It was written by a white man many years after the fact. No one has any idea what Sealth actually said.

hello my name is fnarf and i know eleventy things you don't know about and also you are racist.

@1: Fake though it be, the central quote has provided an Iron Eyes Cody moment in zoos around the world for decades, usually in the form of a calligraphic sign near the big cats or the pandas:

"For what is man without the beasts? If all the beasts were gone, man would die from a great loneliness of spirit. For whatever happens to the beasts soon happens to man."