One Must Be Able To Say At

The Further A Mathematical Theory Is Developed, The More Harmoniously And Uniformly Does Its Construction Proceed, And Unsuspected Relations Are Disclosed Between Hitherto Separated Branches Of The Science.

Physics Is Becoming Too Difficult For The Physicists.

The Art Of Doing Mathematics Consists In Finding That Special Case Which Contains All The Germs Of Generality.

For Us There Is No Ignorabimus, And In My Opinion None Whatever In Natural Science. In Opposition To The Foolish Ignorabimus Our Slogan Shall Be: "we Must Know - We Will Know!"

He Who Seeks For Methods Without Having A Definite Problem In Mind Seeks In The Most Part In Vain.