The Scorning Fool is easy to be able to detect. He uses facial expressions to communicate disdain and contempt for almost all authority. He has not only rejected the truth, but has also has embraced that which is an abomination to God, and that is to be a scorner.

The Sensual Fool is one who fails to receive the correction of either parental or public authority or one who just reacts to it.

The silly fools are ones that have morally missed the mark.  His rejection of parental authority has caused him to violate his moral purity.

The simple fool is one who opens his mind to any passing thought, any type of enticements or deceptions