People are very open-minded about new things - as long as they're exactly like the old ones.
The formula for achieving middle-class success is simple: Finish high school; don't have a child before the age of 20; and get married before having the child.
In many ways, history is marked as 'before' and 'after' Rosa Parks. She sat down in order that we all might stand up, and the walls of segregation came down.

