Some African American believed that Marshall was pushing desegregation too quickly. They believed the country was not yet ready for it and feared and feared if Marshall lost his court case, the entire race could lose more rights as a result.
Success for a person with a fixed mindset would be good enough or just passes, like a person who gets C's and thinks that's good
While a person with a great mindset thinks success is growing from last time, they need to get the best for it to count as success or at least get better that last time and won't settle with just okay or just passing