The whole concert of animate nature arose entirely from annoying noises.

Man's destiny is nowhere spelled out, nor is his duty.

Man finally knows that he is alone in the indifferent immensity of the Universe, from which he emerged by accident.

Every living being is also a fossil. Within it, all the way down to the microscopic structure of its proteins, it bears the traces if not the stigmata of its ancestry.

Je cherche à comprendre.

Man knows at last that he is alone in the universe's unfeeling immensity, out of which he emerged only by chance.

In science, self-satisfaction is death. Personal self-satisfaction is the death of the scientist. Collective self-satisfaction is the death of the research. It is restlessness, anxiety, dissatisfaction, agony of mind that nourish science.