The calculus of probabilities, when confined within just limits, ought to interest, in an equal degree, the mathematician, the experimentalist, and t… - François Arago

In the experimental sciences, the epochs of the most brilliant progress are almost always separated by long intervals of almost absolute repose.

I was often humiliated to see men disputing for a piece of bread, just as animals might have done. My feelings on this subject have very much altered since I have been personally exposed to the tortures of hunger. I have discovered, in fact, that a man, whatever may have been his origin, his education, and his habits, is governed, under certain circumstances, much more by his stomach than by his intelligence and his heart.

Such is the privilege of genius; it perceives, it seizes relations where vulgar eyes see only isolated facts.