"It is also necessary to pray as well so that there are holy spouses, capable of indicating to their children, above all by example, the horizons to which they should tend toward with their liberty."
The words of Pope Benedict XVI on praying for vocations. You can read the entire article here.
May those words flow from his mouth to the ears of my Archbishop, who tends to forget to pray for sacred marriages until couples have been married for 50 years. In my not so humble opinion, any and all prayers for vocations should begin with prayers for the vocation of sacred marriages, because without them, there will be no more generations to be called to the vocations of priesthood and religious life.