Noble souls and function challenging

I don’t really understand why it is that a lot of spam comments are posted against the post Ristorante Leon D’Oro but here is one that came this morning and made me smile:

Gratitude is the sign of noble souls.

And another one, for a different post. I’m not entirely sure what it’s supposed to mean but I like it anyway:

Formula for achievement: Rise early, function challenging, strike oil.