Irving Langmuir

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

Science is a magnificent force, but it is not a substitute for morality.

The future of science depends on the ability of young people to ask questions and to challenge established ideas.

There are two kinds of scientists: those who do things and those who talk about doing things.

The most important thing in science is not to get ahead, but to get it right.

The true scientist is one who is always willing to admit that he is wrong.

The greatest obstacle to discovery is not ignorance, but the illusion of knowledge.

The scientific method is nothing more than common sense at its best.

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

The world is full of interesting things, if only you take the time to look.

A scientist's greatest asset is his imagination.

The best way to have a good idea is to have a lot of ideas.

The greatest joy in science is the joy of understanding.

The most important thing in life is to learn to think for yourself.

The atom is a miniature solar system.

Surface chemistry is a vast and fascinating field.

The adsorption of gases on plane surfaces of glass, mica and platinum.

The structure of atoms and the nature of chemical bonds.

The electron theory of valency.

Unpredictable fluctuations in the weather are a natural phenomenon.