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It's my own quote. The priesthood is not fundamentally about fancy vestments or white collars, or about being called "Father," or about being the main liturgical actor, or about an ethnic tradition, or about mastering liturgical complexity. And it's certainly not about finding an escape from personality and other emotional issues.
It's about washing feet.
And, yes, you can replace "priest" in the quote with teacher, director of religious education, lay minister, seminar leader, etc.