Reduced to categorical form:

E  No G
one who pays his debts is M
black listed,

A  S
You are M
black listed,

E ∴ S
You have not G
paid your debts.

The mood

E
A
E in the second figure is valid.

(5) “Men would do right for the sake of themselves, if they appreciated the law of retribution; but they never think of that.”

Arranged, completed, and tested:

If they appreciated the law of retribution (antecedent),men would do right for the sake of themselves (consequent);