We are all but recent leaves on the same old tree of life and if this life has adapted itself to new functions and conditions, it uses the same old basic principles over and over again. There is no real difference between the grass and the man who mows it.

The real scientist is ready to bear privation and, if need be, starvation rather than let anyone dictate to him which direction his work must take.

I am the son of a small and far-away nation and the other laureates have all come from different countries from all over the world and we all were equally received here with signs of sympathy.

A substance that makes you ill if you don't eat it.

Whatever a man does he must do first in his mind.

When I received the Nobel Prize, the only big lump sum of money I have ever seen, I had to do something with it. The easiest way to drop this hot potato was to invest it, to buy shares. I knew that World War II was coming and I was afraid that if I had shares which rise in case of war, I would wish for war. So I asked my agent to buy shares which go down in the event of war. This he did. I lost my money and saved my soul.

Research is to see what everybody else has seen, and to think what nobody else has thought.