It 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 PaulMake an effort to serve good bread and good meat and not to sell the better wine so as to serve what is inferior.
Vincent de PaulHe is greatly honored by the time we take to weigh with mature deliberation matters having to do with his service, as are all those with which we deal.
Vincent de Paul