I am not a Jew in the sense that I would demand the preservation of the Jewish or any other nationality as an end in itself. Rather, I see Jewish nationality as a fact and I believe that every Jew must draw the consequences from this fact.

As an elderly man, I have remained estranged from the society here.

But the creative principle resides in mathematics. In a certain sense, therefore, I hold true that pure thought can grasp reality, as the ancients dreamed.

Let every man judge according to his own standards, by what he has himself read, not by what others tell him.

The question that drives me hazy is whether it is I or others who is crazy.

To have a better life we must keep choosing how we are living.

We cannot get to where we dream of being tomorrow unless we change our thinking today.