In The Shaking of the Foundations Paul Tillich, one of last century’s defining theologicians, quotes the apostle Paul: “For I do not do the good I desire, but rather the evil that I do not desire.”

Paul violently persecuted followers of Jesus prior to his conversion to Christianity. You may not have persecuted anyone, but can you honestly claim your actions have never had unhappy consequences to other people? Tillich’s following lines, written (if I’m not mistaken) in the aftermath of the Second World War, are so riveting that I’ll quote them here at length, with a bit of editing to improve online readability:

“Where sin abounded, grace did much more abound”, says Paul in the same letter in which he describes the unimaginable power of separation and self-destruction within society and the individual soul. He does not say these words because sentimental interests demand a happy ending for everything tragic. He says them because they describe the most overwhelming and determining experience of his life.

Grace strikes us when we are in great pain and restlessness. It strikes us when we walk through the dark valley of a meaningless and empty life. It strikes us when we feel that our separation is deeper than usual, because we have violated another life, a life which we loved, or from which we were estranged. It strikes us when our disgust for our own being, our indifference, our weakness, our hostility, and our lack of direction and composure have become intolerable to us. It strikes us when, year after year, the longed-for perfection of life does not appear, when the old compulsions reign within us as they have for decades, when despair destroys all joy and courage.

Sometimes at that moment a wave of light breaks into our darkness, and it is as though a voice were saying: “You are accepted. You are accepted, accepted by that which is greater than you, and the name of which you do not know. Do not ask for the name now; perhaps you will find it later. Do not try to do anything now; perhaps later you will do much. Do not seek for anything; do not perform anything; do not intend anything. Simply accept the fact that you are accepted!” If that happens to us, we experience grace.

After such an experience we may not be better than before, and we may not believe more than before. But everything is transformed. In that moment, grace conquers sin, and reconciliation bridges the gulf of estrangement. And nothing is demanded of this experience, no religious or moral or intellectual presupposition, nothing but acceptance.

In the light of this grace we perceive the power of grace in our relation to others and to ourselves. We experience the grace of being able to look frankly into the eyes of another, the miraculous grace of reunion of life with life.

We experience the grace of understanding each other’s words. We understand not merely the literal meaning of the words, but also that which lies behind them, even when they are harsh or angry. For even then there is a longing to break through the walls of separation.

We experience the grace of being able to accept the life of another, even if it be hostile and harmful to us, for, through grace, we know that it belongs to the same Ground to which we belong, and by which we have been accepted.

We experience the grace which is able to overcome the tragic separation of the sexes, of the generations, of the nations, of the races, and even the utter strangeness between man and nature. Sometimes grace appears in all these separations to reunite us with those to whom we belong. For life belongs to life.

And in the light of this grace we perceive the power of grace in our relation to ourselves. We experience moments in which we accept ourselves, because we feel that we have been accepted by that which is greater than we. If only more such moments were given to us! For it is such moments that make us love our life, that make us accept ourselves, not in our goodness and self- complacency, but in our certainty of the eternal meaning of our life.

We cannot force ourselves to accept ourselves. We cannot compel anyone to accept himself. But sometimes it happens that we receive the power to say “yes” to ourselves, that peace enters into us and makes us whole, that self-hate and self-contempt disappear, and that our self is reunited with itself. Then we can say that grace has come upon us.