The Greeks possessed a knowledge of human nature we seem hardly able to attain to without passing through the strengthening hibernation of a new barbarism.

Many things about our bodies would not seem to us so filthy and obscene if we did not have the idea of nobility in our heads.

Astronomy is perhaps the science whose discoveries owe least to chance, in which human understanding appears in its whole magnitude, and through which man can best learn how small he is.

The thoughts written on the walls of madhouses by their inmates might be worth publicizing.

The noble simplicity in the works of nature only too often originates in the noble shortsightedness of him who observes it.

Food probably has a very great influence on the condition of men. Wine exercises a more visible influence, food does it more slowly but perhaps just as surely. Who knows if a well-prepared soup was not responsible for the pneumatic pump or a poor one for a war?