In 2013, Monsignor Raffaello Martinelli, servicing Congregation for the Doctrine of the Faith, having worked for over 23 years with Cardinal Joseph Ratzinger (Pope Benedict XVI), said that for his Meditation, a Christian can learn from other religious traditions (zen, yoga, controlled respiration, Mantra):" "As long as the Catholic Church rejects nothing of what is true and holy in these religions, we should not despise these indications since non-Christian. Instead, we can collect from them what is useful, provided you never lose sight of the Christian conception of prayer, its logic and requirements, since it is within this that all these fragments must be reformulated and assumed.../...»". In 1984, Cardinal Sin, an Archbishop in the Catholic Church stated that the Transcendental Meditation technique interferes with Christian religions. And other clergy believe the technique does not interfere with religious belief and practices.