A body of work such as Pasteur's is inconceivable in our time: no man would be given a chance to create a whole science. Nowadays a path is scarcely opened up when the crowd begins to pour in.

Falsity cannot keep an idea from being beautiful; there are certain errors of such ingenuity that one could regret their not ranking among the achievements of the human mind.

Renown? I've already got more of it than those I respect, and will never have as much as those for whom I feel contempt.

Theories pass. The frog remains.

A body of work such as Pasteur's is inconceivable in our time: no man would be given a chance to create a whole science. Nowadays a path is scarcely opened up when the crowd begins to pour in.

In our ideals we unwittingly reveal our vices.

There are big and little truths, but all belong to the same race.