The forgoing verses attacked and admonished those who blindly imitate their ancestors, making another kind of idol of them. Here it implies that man is held in pledge of his own deeds, and he therefore should take care of himself by avoiding evil. If a man is guided in the straight path of truth, those who are astray can not hurt him the least, due to Allah's protection.EVERY ONE IS HELD IN PLEDGE OF HIS OWN DEEDS
VERSE NO.105