The same divine authority that forbids the killing of a human being establishes certain exceptions, as when God authorizes killing by a general law or when He gives an explicit commission to an individual for a limited time.

Let us understand that God is a physician, and that suffering is a medicine for salvation, not a punishment for damnation.

Whoever is still seeking for miracles so that he may believe is himself a wonder, who does not believe while the world around him does.

Hell was made for the inquisitive.

Be always displeased with what you are if you wish to be what you are not. Always add, always walk, always proceed. Neither stand still nor go back nor deviate.

Grace alone brings about every good work in us.

Men go forth to marvel at the height of mountains, and the huge waves of the sea, the broad flow of the rivers, the vastness of the ocean, the orbits of the stars, and yet they neglect to marvel at themselves. Variant: Men go abroad to admire the heights of mountains, the mighty billows of the sea, the broad tides of rivers, the compass of the ocean, and the circuits of the stars, and pass themselves by.