Ash Gray said this quote

My people have known of your people for thousands of years,” went on the alien, looking at me with those black eyes that glittered like the night sky. “We have watched you and studied you and never did we attempt contact. Why? Because we would be treated with the same hatred and violence you have shown your own people – that is, until we had properly assimilated into the sprawling patchwork quilt of your culture. To your people, ‘same’ has always meant good and ‘different’ has always meant evil. . . . can you really blame my people for maintaining a safe distance?”“But thousands – millions drowned!” I insisted.