Whoever does not know how to hit the nail on the head should be entreated not to hit the nail at all.
The press, the machine, the railway, the telegraph are premisses of which no one has yet dared to draw the conclusions that will follow in a thousand years.
In the mountains of truth you never climb in vain. Either you already reach a higher point today, or you exercise your strength in order to be able to climb higher tomorrow.
Words are only symbols for the relations of things among themselves and to us, and nowhere touch absolute truth.
When marrying, ask yourself this question: Do you believe that you will be able to converse well with this person into your old age? Everything else in marriage is transitory.
We obtain the concept, as we do the form, by overlooking what is individual and actual; whereas nature is acquainted with no forms and no concepts, and likewise with no species, but only with an X which remains inaccessible and undefinable for us.
We believe that we know something about the things themselves when we speak of trees, colors, snow, and flowers; and yet we possess nothing but metaphors for things — metaphors which correspond in no way to the original entities.