Browse Quotes

1,161 quotes

In the whole world, there is nothing that is not subject to change.

Pliny the Elder

Natural History

The polarograph is a very sensitive instrument, capable of detecting even minute quantities of substances.

Jaroslav Heyrovský

Chemistry

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'

Alexander Todd

Chemistry

The virus is a nucleoprotein, a molecule, and yet it has the property of life. This discovery bridges the gap between the living and the non-living.

Wendell Meredith Stanley

Chemistry

I have been told that I was attempting the impossible, but I have always been a little deaf to such advice.

James B. Sumner

Chemistry

The use of radioactive isotopes as tracers has opened up entirely new fields of research in chemistry, biology, and medicine.

George de Hevesy

Chemistry

The chlorophylls are the most important pigments in the plant world, and their investigation has been a lifelong task for me.

Richard Willstätter

Chemistry

The atomic weight of an element is one of its most fundamental properties, and its accurate determination is of paramount importance to chemistry.

Theodore Richards

Chemistry

We were not looking for uranium fission, but for transuranic elements.

Otto Hahn

Chemistry

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'

Melvin Calvin

Chemistry

The synthesis of macromolecules is a field of research that is still in its infancy, but it is a field that holds great promise for the future.

Wallace Carothers

Chemistry

The synthesis of natural products is the highest goal of organic chemistry.

Emil Fischer

Chemistry

Painting is poetry that is seen rather than felt, and poetry is painting that is felt rather than seen.

Raphael Sanzio

Visual Arts

All things are poison, and nothing is without poison; only the dose makes it so a thing is not a poison.

Paracelsus

Chemistry

The greatest discovery of all is to find that the world is not as we thought it was.

Irving Langmuir

Chemistry

Every block of stone has a statue inside it and it is the task of the sculptor to discover it.

Michelangelo Buonarroti

Visual Arts

In no other branch of science is the gap between the laboratory and the factory so wide as in chemistry.

Fritz Haber

Chemistry

The most important task of physics is to reduce the phenomena of nature to simple laws.

Gustav Kirchhoff

Physics

The most beautiful thing we can experience is the mysterious. It is the source of all true art and science.

Hermann von Helmholtz

Physics

My object has been to discover the law of the heating effect of the electric current.

James Prescott Joule

Physics