Louis Pasteur

There is no such thing as a pure science. All science is applied.

The greatest discovery of all is that we can discover.

The scientist is a man who knows how to listen to nature.

Do not wait for extraordinary opportunities. Seize common occasions and make them great.

The greatest glory in living lies not in never falling, but in rising every time we fall.

The role of the infinitely small in nature is infinitely large.

Do not let yourself be tainted with a barren skepticism.

I am on the edge of mysteries and the veil is getting thinner and thinner.

One does not ask of one who suffers: What is your country and what is your religion? One merely says: You suffer, that is enough for me.

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

Fortune favors the prepared mind.

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

There is no greater mistake than to do nothing because you can only do a little.

I am utterly convinced that Science and Peace will triumph over Ignorance and War, that nations will eventually unite not to destroy but to edify, and that the future will belong to those who have done the most for the sake of suffering humanity.

The Greeks understood the mysterious power of the hidden side of things. They bequeathed to us one of the most beautiful words in our language—the word 'enthusiasm' — en theos — a god within.

It is the microbes who will have the last word.

Chance only favors the mind which is prepared.

I would advise you to work with ardour and without respite. Work is the grand cure of all the maladies and miseries that ever beset mankind.

There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.

Will opens the door to success, both brilliant and happy.