How come sometimes Forrest Gump acts smart and sometimes unintelligent?

I noticed in the movie, sometimes he makes smart comments and sometimes he acts weird.|||because its not real|||In the story of Forrest Gimp we see the man as sometimes oblivious to his surroundings and then at other times he becomes the victim of circumstances. He never knowingly does anything to cause grief to others but is basically just a good man going along through life enjoying the pleasures and experiencing its sadness. He respected his mother, he served his country and in the end showed the triumph of his ability to overcome the tragedies of life. Forrest Gump was moronic in many ways but through his unawareness of his plight he managed to show the triumph of the human spirit.|||I've seen a few people say that Forrest Gump is a character with a Pervasive developmental disorder, or with some form of autism.





You should look into it more, it's pretty interesting.|||"Out of the mouth of babes..."





Sometimes children say the most profound things. Life is really so simple when we don't complicate it.|||The simplest comments are often the smartest. Life is so much more fun when it is complicated.|||He is innocent and naive.