Nature reacts not only to physical disease, but also to moral weakness; when the danger increases; she gives us greater courage

How happy he who can still hope to lift himself from this sea of error! What we know not, that we are anxious to possess, and cannot use what we know.

We amuse ourselves painting our prison-walls with bright figures and brilliant landscapes.

Nothing is more consonant with Nature than that she puts into operation in the smallest detail that which she intends as a whole.

I hate everything that merely instructs me without augmenting or directly invigorating my activity.

When we treat man as he is, we make him worse than he is; when we treat him as if he already were what he potentially could be, we make him what he should be.

Everything transitory is but an image.