Germans won't exist in 1000 years. Chinese won't exist in 1000 years. Jews won't exist in 1000 years. Humanity will inevitably mix and mingle over generations until it is one uniform genetic composition. Wanting to "preserve your race" is selfish, and does not put the best interest of humanity first. Racism is a relic of the past, and it has no place in our modern world, or our future.