What are the quotations advocating diversity in the classrooms?

If we cannot end now our differences, at least we can help make the world safe for diversity. - JFK

In each human heart are a tiger, a pig, an ass and a nightingale. Diversity of character is due to their unequal activity. - Ambrose Bierce

It were not best that we should all think alike; it is difference of opinion that makes horse races. - Mark Twain

The real death of America will come when everyone is alike. - James T. Ellison

It is time for parents to teach young people early on that in diversity there is beauty and there is strength. - Maya Angelou

Strength lies in differences, not in similarities. - Stephen R. Covey

Recognize yourself in he and she who are not like you and me. - Carlos Fuentes

Ultimately, America's answer to the intolerant man is diversity.

• Robert Kennedy