Water is life's matter and matrix, mother and medium. There is no life without water.

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

Think boldly. Don't be afraid of making mistakes. Don't miss small details, keep your eyes open and be modest in everything except your aims.

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.

[A vitamin is] a substance you get sick from if you don't eat it.

The key to happiness is not to get more, but to enjoy what we have and to fill the empty frame of our lives instead of enlarging it.

It is impossible to encircle the hips of a girl with my right arm and hold her smile in my left hand, then proceed to study the two items separately. Similarly, we can not separate life from living matter, in order to study only living matter and its reactions. Inevitably, studying living matter and its reactions, we study life itself