Our search for such [moral] principles can start with . . . the unconditional imperative to acknowledge every person as a person. If we ask for the contents given by this absolute, we find, first, something negative-the command not to treat a person as a thing. This seems little, but it is much. It is the core of the principle of justice.
Paul TillichThe awareness of the ambiguity of one's highest achievements, as well as one's deepest failures is a definite symptom of maturity.
Paul TillichFaith as the state of being ultimately concerned implies love, namely, the desire and urge toward the reunion of the seperated.
Paul Tillich