IN THIS BLOGGER WE WILL FIND SOME OPINIONS OF BILLINGUALISM IN ADDITION TO THE IMPORTANCE BECAUSE AS WE WELL KNOW THE BILINGUALISM IS THE ABILITY OF A PERSON TO INDISTENTLY USE TWO LANGUAGES IN ANY SITUATION TO COMMUNICATE. THEREFORE IT IS OF GREAT IMPORTANCE BECAUSE IT NOT ONLY DEVELOPS GREAT SKILLS, BUT IT PREVENTS US FROM MANY MENTAL DISEASES, IN ADDITION IT DEVELOPS COGNITIVE THINKING AND INTELLIGENCES SUCH AS COGNITIVE EMOTIONAL INTELLIGENCE AND LANGUAGE AS IT ACTIVATES THE BRAIN IN THE LEFT HEMISPHERE, HELPING BOYS AND GIRLS DEVELOP MORE SKILLS IN LISTENING, SPEAKING AND OTHERS