Everything transitory is but an image.

Two souls dwell, alas! in my breast.

The force of a language does not consist of rejecting what is foreign but of swallowing it.

It matters little whether a man be mathematically or philologically or artistically cultivated, so he be but cultivated.

There is nothing more frightful than for a teacher to know only what his scholars are intended to know.

There is a great difference, whether the poet seeks the particular for the sake of the general or sees the general in the particular. From the former procedure there ensues allegory, in which the particular serves only as illustration, as example of the general. The latter procedure, however, is genuinely the nature of poetry; it expresses something particular, without thinking of the general or pointing to it.

The use of a thing is only a part of its significance. To know anything thoroughly, to have the full command of it in all its appliances, we must study it on its own account, independently of any special application.