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.

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

Nature is one. It is not divided into physics, chemistry, quantum mechanics.

If structure does not tell us anything about function, it means that we have not looked at it correctly.

Discovery consists of looking at the same thing as everyone else and thinking something different.

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.

"This celebration here tells me that this work is not hopeless. I thank you for this teaching with all my heart and lift my glass to human solidarity, to the ultimate victory of knowledge, peace, good-will and understanding."