Louis Pasteur

Chance favors only the prepared mind.

A bottle of wine contains more philosophy than all the books in the world.

The more I study nature, the more I stand amazed at the work of the Creator.

There are no such things as applied sciences, only applications of science.

Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.

I am utterly convinced that there is a cause and effect for every phenomenon, and that the cause is always a physical one.

The greatest aberration of the mind is to believe things because one wishes them to be so.

Imagination is good, but experiment is better.

The role of the infinitely small is infinitely large.

Without laboratories men of science are soldiers without arms.

In the fields of observation chance favors only the prepared mind.

Let me tell you the secret that has led me to my goal: my strength lies solely in my tenacity.

When I approach a child, he inspires in me two sentiments: tenderness for what he is, and respect for what he may become.

The true method of knowledge is experiment.

I am a man of science, and I believe in God.

The greatest disturbance of the mind is to believe in things because one wishes them to be so.

The universe is asymmetric and I am persuaded that life, as it manifests itself to us, is a direct or indirect result of the asymmetry of the universe or of its consequence.

Life is a germ, and a germ is life. Never will the doctrine of spontaneous generation recover from the mortal blow struck by this simple experiment.

To him who devotes his life to science, nothing can be more important than the scientific spirit itself.

The more I know, the more I realize I know nothing.