Your chosen target for your attack is ironic. (Seriously, someone would think this is the first time you read a post in the religion forum.) The 2nd sentence of the post, minus my introduction: “... it is not knowledge that betters us or makes us saints, but the kind of life we lead....”
From there, he provides examples and history of how people forget that, and how it interferes with living the gospel. (Specifically, his topic is pelagianism, the same topic as much of Calvin’s writing.)
His conclusion is simple, and strictly biblical:
“Saint Paul says that what truly counts is “faith working through love”
(Gal 5:6).
We are called to make every effort to preserve charity: “The one who loves another has fulfilled the law… for love is the fulfilment of the law” (Rom 13:8.10).
“For the whole law is summed up in a single commandment, ‘You shall love your neighbour as yourself’” (Gal 5:14).
What do you mean my *chosen target for attack*?