But if the longing for the achievement of the goal is powerfully alive within us, then shall we not lack the strength to find the means for reaching the goal and for translating it into deeds.

In matters of truth and justice, there is no difference between large and small problems, for issues concerning the treatment of people are all the same.

If you cannot explain it simply, you do not understand it enough.

Relativity teaches us the connection between the different descriptions of one and the same reality.

The economists will have to revise their theories of value.

I am a Jew, but I am enthralled by the luminous figure of the Nazarene. Jesus is too colossal for the pen of phrasemongers, however artful." He further added: "No man can read the gospels without feeling the actual presence of Jesus. His personality pulsates in every word. No myth is filled with such life...Theseus and other heroes of his type lack the authentic vitality of Jesus.

I must seem like an ostrich who forever burries its head in the relativistic sands in order not to face the evil quanta.