Faith consists in being vitally concerned with that ultimate reality to which I give the symbolical name of God. Whoever reflects earnestly on the meaning of life is on the verge of an act of faith.
Paul TillichExistential anxiety of doubt drives the person toward the creation of certitude of systems of meaning, which are supported by tradition and authority. Neurotic anxiety builds a narrow castle of certitude which can be defended with the utmost certainty.
Paul Tillich[A] process was going on in which people were transformed into things, into pieces of reality which pure science can calculate and technical science can control. โฆ [T]he safety which is guaranteed by well-functioning mechanisms for the technical control of nature, by the refined psychological control of the person, by the rapidly increasing organizational control of society โ this safety is bought at a high price: man, for whom all this was invented as a means, becomes a means himself in the service of means.
Paul Tillich