
These are the living springs of great thoughts and great actions. Everything grows clear in the reflections from the Infinite.

Change only favours minds that are diligently looking and preparing for discovery.

The nights seem to me too long ... I am often scolded by Madame Pasteur, but I tell her I shall lead her to fame.

Oh my goodness the mystery that has prompted my objective. My quality lies exclusively in my tirelessness.

Chance favors those who are prepared.

There is no such thing as applied science, only the application of pure science.

Wine is the most healthful and most hygienic of beverages.

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

How do you know that the incessant progress of science will not compel scientists to consider that life has existed during eternity, and not matter?

Live in the serene peace of laboratories and libraries

Science belongs to no one country.

Never will the doctrine of spontaneous generation recover from the mortal blow struck by this simple experiment.

I give them experiments and they respond with speeches.

In the realm of scientific observation, luck is granted only to those who are prepared.

The grandeur of the acts of men are measured by the inspiration from which they spring.

There is a time in every man's life when he looks to his God, when he looks at his life, when he wonders how he will be remembered.

The greatest malfunction of spirit is to believe things.

When one works and imagines and dreams of nothing else than the search for answers that God has posed, it is difficult to be so still.

Luck favors the mind that is prepared.

What did you do today to receive your instruction?

Could I but know all, I would have the faith of a Breton peasant woman

You have not succeeded in your experiments, that is all there is to it.

The only thing that can bring joy is work.

In good philosophy, the word cause ought to be reserved to the single Divine impulse that has formed the universe.

Where are the real sources of human dignity, freedom and modern democracy, if not in the concept of infinity to which all men are equal?

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

By chance you will say, but chance only favors the mind which is prepared.

Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of inventions.

Question your priorities often, make sure God always comes first.

One must not assume that an understanding of science is present in those who borrow the language

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

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

Do not let yourself be tainted with a barren skepticism.

Nothing is lost and nothing is created in the operations of art as those of nature.

One must work; one must work. I have done what I could.

It is not the germs we need worry about. It is our inner terrain.

I have the faith of a Breton peasant and by the time I die I hope to have the faith of a Breton peasant's wife.

Do not put forward anything that you cannot prove by experimentation.

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

To know how to wonder and question is the first step of the mind toward discovery.

It is surmounting difficulties that makes heroes.

To bring one's self to believe in a truth that has just dawned upon one is the first step towards progress; to persuade others is the second.

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

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