What do you mean a fact? Actually there are two: Multiculturalism and Apartheid. Genocide is usually short-lived, happens during war or is Apartheid / Multiculturalism gone wrong.

Happiness is a cookie the brain bakes for itself. I know that she said that in the fifties, and our understanding of human nature has evolved. We now know that social countries have a higher happiness index. The thing you can take away from her quote is that you should not demand handouts from others. So if I consciously just educate my children and yours receive no education. Yours will be 'Primitive', and we know what she thinks of them ...... (read the link I send you). There are better ways like Intersubjectivity.

Since you are brandishing quotes, how about this one: "Any white person who brings the element of civilization has the right to take over this country."