Man you can define; but the true essence of any man, say, for instance, of Abraham Lincoln, remains the endlessly elusive and mysterious object of the biographer's interest, of the historian's comments, of popular legend, and of patriotic devotion.

But you are alone. Yet I never tell what you are. And if your face lights up my world as no other can - well, this feeling too, when viewed as the mere psychologist has to view it, appears to be simply what all the other friends report about their friends.

So, as one sees, I by no means deprive my world of stubborn reality, if I merely call it a world of ideas.

For myself, I do not now know in any concrete human terms wherein my individuality consists. In my present human form of consciousness I simply cannot tell.

And just because God attains and wins and finds this uniqueness all our lives win in our union with him the individuality which is essential to their true meaning.

Life involves passions, faiths, doubts, and courage.

Thinking is like loving and dying. Each of us must do it for himself.