Mistakes are made on two counts: an argument is either based on error or incorrectly developed.
All the efforts of the human mind cannot exhaust the essence of a single fly.
Happiness is secured through virtue; it is a good attained by man's own will.
The Angel's bread is made the Bread of man today.
The truth of our faith becomes a matter of ridicule among the infidels if any Catholic, not gifted with the necessary scientific learning, presents as dogma what scientific scrutiny shows to be false.
Clearly the person who accepts the Church as an infallible guide will believe whatever the Church teaches.