Within the Church there is a celebratory hymn, "Ad Multus Annos", sung mostly to commemorate Sacramental anniversaries.

Join me in singing today as I observe twenty-one years of priestly ordination.  And as always, I ask that you remember me in your kind and generous prayers.

I thank you for allowing me to be a part of your life; for being a priest for you and a Christian with you.  And, I thank you too for the many times you have been both friend and minister to me in Christ.

To one and to all: 

God grant us many years, many happy years!