When an opinionated person starts to challenge something, his mind shuts out all that could clear up the matter. The argument irritates him, however just it might be, and it seems that he is afraid of discovering the truth.

Often our good deeds make enemies for us, and the ungrateful person despises us on two counts; for he is not only unwilling to acknowledge the gratitude he owes us: he does not want to have his benefactor as witness to his thankless behavior.

Pettiness of mind, ignorance and presumption are the cause of stubbornness, because stubborn people only want to believe what they themselves can imagine, and they can imagine very few things.

The shame that comes to us as we see ourselves praised when we are unworthy of it often gives us the occasion to accomplish things that we might never have achieved without such undeserved praise.

It is a very trying task for deceitful people, always to have to cover up their lack of sincerity and to repair the breaking of their word.

It is a strength of character to acknowledge our failings and our strong points, and it is a weakness of character not to remain in harmony with both the good and the bad that is within us.

All the great amusements are dangerous for the Christian life.