 The doctrine of original sin steels the mind against the utopian illusion, that “ the evils and inconstancies of the human heart are superable ” or caused by “ evil structures.
<fluency>  The doctrine of original sin steels the mind against the utopian illusion, that “ the evils and inconstancies of the human heart are superable ” or caused by “ evil structures.
 The doctrine of original sin steels the mind against the utopian illusion, that " the evils and inconstancies of the human heart are superable ” or caused by “ evil structures.