Verified Answer :

there is no one idea about Helen Keller. first of all, she is a person and there are many books written abut her. shes is most famous for being a Blind and Deaf person but was able to go to collage. she fought for the sake for others and even became an author. shes a really interesting and inspiring person ^.^

sana

Helen Keller's main idea was probably not to give up even if you are deaf and blind . Another idea could be even if you are blind you can still  succeed in life .