英语-翻译下面句子Some scientists belive that evolution has created a

英语-翻译下面句子
Some scientists belive that evolution has created a balance,where the madness of a few people leads to the development of the whole human race.（这句怎么翻？）
饿，下面这个题目和段落可以不用翻，但要告诉我怎么做，答案complete the sentence in the first paragraph with the proper words.
It seems that great artists and scientists ofen().both Albert Einstein and Charles Dickends had mental illness.The artist Van gogh cut off hie ear after years of depression.NOw scientists have started to look at whether mental illness and geniuses are linked