Louis Pasteur

One does not ask of one who suffers: What is your merit or demerit? One asks only: What can I do for you?

Great God, when I think of what I owe to you, I am ashamed.

Work, persevere and never fear failure.

If science has no country, the scientist should have one.

The surgical method which enables us to obtain the most perfect results is that of antisepsis.

Fermentation is the consequence of life without air.

Inoculation is the thread that binds the living and the dead.

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

Blessed be the God of microbes.

I see in the chemist a creator of matter.

The laboratory is the temple of science.

Nothing is lost, nothing is created, everything is transformed.

To him who devotes his time to the contemplation of nature, she reveals her secrets.

The mind is the soil in which thought takes root.

Science is the impassioned search for truth.

Happiness serves hardly any other purpose than to make unhappiness possible.

The art of teaching is only the art of awakening.

When I approach a problem, I never forget the human element.

Doubt is not a pleasant condition, but certainty is absurd.

The greatest pleasure in life is doing what people say you cannot do.