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

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.

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.

The unique eludes us; yet we remain faithful to the ideal of it; and in spite of sense and of our merely abstract thinking, it becomes for us the most real thing in the actual world, although for us it is the elusive goal of an infinite quest.

Only the more uncompromising of the mystics still seek for knowledge in a silent land of absolute intuition, where the intellect finally lays down its conceptual tools, and rests from its pragmatic labors, while its works do not follow it, but are simply forgotten, and are as if they never had been.

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.

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