Insanity: doing the same thing over and over again and expecting different results.

The supreme goal of all theory is to make the irreducible basic elements as simple and as few as possible without having to surrender the adequate representation of a simple datum of experience.

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.

The trouble with the younger generation is that they don't stay young for very long.

If we knew what it was we were doing, it would not be called research, would it?

Our task must be to free ourselves by widening our circle of compassion to embrace all living creatures and the whole of nature and its beauty.

If you do the same thing over and over again you cannot ever expect a different outcome.