Another problem is that Christians have different personalities. Not all are given over to outward expressions of heartfelt piety even while they have deep faith and knowledge of God. Karl Rahner—who I suppose could be considered a pietist, even though he regarded pietism as exclusively Protestant—once said, “The Christian of the future will be a mystic or simply will not be.” That’s certainly within the spirit of pietism, but the problem is that mysticism is difficult for many. We should all attempt to engage in meditative and contemplative prayer, but different personalities gravitate towards different spiritualities. Carmelites are not Benedictines, and Dominicans are not Jesuits, and Franciscans are not Augustinians. Mysticism, above all, is a divine gift, and as such shouldn’t be expected of all.
The Problem of Pietism by Dr. Leroy Huizenga
We must overcome an overemphasis on religion as orthodoxy assenting to true doctrines while also resisting the reduction of our religion to feelings and activism.