Louis Pasteur

Chemistry French 1822 – 1895 286 quotes

Father of microbiology and pasteurization

Quotes by Louis Pasteur

I am a man of science, and I believe in the power of reason.

Letter to a religious leader

My life has been a series of efforts, and I have never given up.

Private reflection

I hope that my work will be useful to future generations.

Will and testament

The more I advance, the more I am convinced that the truth is simple.

Diary entry

I am deeply touched by your kindness and support.

Letter of thanks to a supporter 1885

My dear friend, do not lose courage, for success is within reach.

Letter to a struggling colleague

I have always been driven by a thirst for knowledge.

Private reflection

I am dedicating my life to the study of microbes.

Letter to a scientific society 1878

My greatest desire is to alleviate human suffering.

Private reflection

I believe that science and religion are not incompatible.

Letter to a theological scholar

The true scientist is one who is always questioning.

Letter to a student

I am filled with hope for the future of medicine.

Diary entry

My work is my life, and my life is my work.

Private reflection

I have always sought to combine theory with practice.

Letter to a colleague

The greatest lesson I have learned is the importance of observation.

Letter to a student

Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world. Science is the highest embodiment of the patriotism of the future.

Letter to the German scientists during the Franco-Prussian War 1870

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

Lecture on 'Dissymmetry in Nature' 1860

I am on the verge of mysteries, and the veil which covers them is getting thinner and thinner.

Unknown

Science progresses one funeral at a time.

Attributed, but likely a paraphrase of Max Planck

The true character of a man is not seen in the front door, but in the back door.

Unknown