. . . [Y]ou must understand that we have always considered the writing of books a hindrance to our work, and that for this reason the custom was not to be introduced into the Company. However, since no rule, however general, does not have some exception, we shall see whether it is advisable to have yours printed.
Vincent de PaulFurthermore, the apostolic life does not exclude contemplation but encompasses it and profits by it to know better the eternal truths it must proclaim
Vincent de PaulMake it a practice to judge persons and things in the most favorable light at all times and under all circumstances.
Vincent de PaulYou should not open your mouth except to express gratitude for benefits you have received, and never to mention your discontent.
Vincent de PaulWe must hold as an irrefutable maxim that the difficulties we have with our neighbor arise more from our immortified moods than from anything else.
Vincent de PaulIt is true that zeal is the soul of the virtues, but most certainly, Monsieur, it must be according to knowledge, as Saint Paul says; that means: according to knowledge of experience. And because young people ordinarily do not possess this experiential knowledge, their zeal goes to excess, especially in those who have a natural asperity.
Vincent de Paul