If you suppress laboratories, physical science will be stricken with barrenness and death.

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

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

Wine is the most healthful and most hygienic of beverages.

Time is the best appraiser of scientific work, and I am aware that an industrial discovery rarely produces all its fruit in the hands of its first inventor.

The more I know, the more nearly is my faith that of the Breton peasant. Could I but know all I would have the faith of a Breton peasant woman.

Do not let yourself be tainted with a barren skepticism.