To pretend angels do not exist because they are invisible is to believe we never sleep because we don't see ourselves sleeping.

Evil denotes the lack of good. Not every absence of good is an evil, for absence may be taken either in a purely negative or in aprivative sense. Mere negation does not display the character of evil, otherwise nonexistents would be evil and moreover, a thing would be evil for not possessing the goodness of something else, which would mean that man is bad for not having the strength of a lion or the speed of a wild goat. But what is evil is privation; in this sense blindness means the privation of sight.

It is only God who creates. Man merely rearranges.

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.

I cannot go on.... All that I have written seems to me like so much straw compared to what I have seen and what has been revealed to me.

There is but one Church in which men find salvation, just as outside the ark of Noah it was not possible for anyone to be saved.

To convert somebody go and take them by the hand and guide them.