The study of truth requires a considerable effort – which is why few are willing to undertake it out of love of knowledge – despite the fact that God has implanted a natural appetite for such knowledge in the minds of men.
He who is not angry when there is just cause for anger is immoral. Why? because anger looks to the good of justice. And if you could live amid injustice without anger, you are immoral as well as unjust.
Three things are necessary for the salvation of man: to know what he ought to believe; to know what he ought to desire; and to know what he ought to do.
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.
We must love them both, those whose opinions we share and those whose opinions we reject, for both have labored in the search for truth, and both have helped us in finding it.
