Whats is the answer for this question ?

Does any one read this story "when mr. came to dine". in 9th grade. plz i need with one question about this story?

What happens once in a minute twice in a moment and never in a thousand years?

How can we make the world a better place, specifically towards discriminated people (lgbtq+ community, people of color, people with disabilities etc.) how can we make them change their view on people they call "different"? how can we get people to love one another despite how they look or who they love or where they are from? 2-3 paragraphs ! (ᵔᴥᵔ)