A well-bred carriage is difficult to imitate; for in strictness it is negative, and it implies a long-continued previous training.

Difficulties increase the nearer we get to the goal.

Hypotheses are only the pieces of scaffolding which are erected round a building during the course of construction, and which are taken away as soon as the edifice is completed.

A school of art or of anything else is to be looked on as a single individual, who keeps talking to himself for a hundred years, and feels an extreme satisfaction with his own circle of favorite ideas, be they ever so silly.

It is a mistake for a taciturn, serious-minded woman to marry a jovial man, but not for a serious-minded man to marry a lighthearted woman.

As our inclinations, so our opinions.

The greatest joy of a thinking man is to have searched the explored and to quietly revere the unexplored.