What signs fail to express, their application shows. What signs slur over, their application says clearly.

We learn by rearranging what we know.

Logic takes care of itself; all we have to do is to look and see how it does it.

Philosophy is a battle against the bewitchment of our intelligence by means of language.

When you are philosophizing you have to descend into primeval chaos and feel at home there.

If a lion could talk, we could not understand him.

If there were a verb meaning "to believe falsely," it would not have any significant first person, present indicative.