Without a doubt the human being is not...

Without a doubt the human being is not, within his nature, to be a manifest ingrate , nor is he most unfair and senseless , nor is he rebellious . Rather, apparently what is meant here is that these verses are talking about human beings who have – willingly – not gone under the training and nurturing of the Divinely appointed leaders, and just like plants, allow themselves to grow on their own.

They do not have a guide, nor do they have anyone to help them wake up from their spiritual slumber, and thus they are caught up in their own whims and desires.