All theoretical chemistry is really physics; and all theoretical chemists know it.

From a long view of the history of mankind the most significant event of the nineteenth century will be judged as Maxwell's discovery of the laws of electrodynamics.

I was born not knowing and have had only a little time to change that here and there.

One does not, by knowing all the physical laws as we know them today, immediately obtain an understanding of anything much. I love only nature, and I hate mathematicians.

There in wine is found the great generalization: all life is fermentation.

But there is nothing in biology yet found that indicates the inevitability of death.

There is no harm in doubt and skepticism, for it is through these that new discoveries are made.