And the catholics hate the protestants,
And the hindus hate the moslems,
And everybody hates the jews.
But during national brotherhood week, national brotherhood week,
It's national everyone-smile-at-one-another-hood week.
Be nice to people who Are inferior to you.
It's only for a week, so have no fear.
Be grateful that it doesn't last all year!
Read more: Tom Lehrer - National Brotherhood Week Lyrics | MetroLyrics
Now that I think about it, Tom Lehrer could not exist today. He would be branded as a racist who committed microaggression.