Essay Harlem: a Dream Deferred
Meaning, with society the way it was then, he must put his dreams on hold until society changes, laws, and institutions change. But until then, his talent or dream will dry up just like he described the raisin in the sun.
Dreams can indeed dry up when not fulfilled, but it can also “fester like a sore”. When you have a sore, it dries up when you allow it to heal. When it runs and festers, it is not infected and can not heal properly. A dream can fester and become infected with the dissatisfaction