» Philosophy is not a theory but an activity.
» The real discovery is the one which enables me to stop doing philosophy when I want to. -- The one that gives philosophy peace, so that it is no longer tormented by questions which bring itself into question.
» We regard the photograph, the picture on our wall, as the object itself (the man, landscape, and so on) depicted there. This need not have been so. We could easily imagine people who did not have this relation to such pictures. Who, for example, would be repelled by photographs, because a face without color and even perhaps a face in reduced proportions struck them as inhuman.
» Humor is not a mood but a way of looking at the world. So if it is correct to say that humor was stamped out in Nazi Germany, that does not mean that people were not in good spirits, or anything of that sort, but something much deeper and more important.
» Don't get involved in partial problems, but always take flight to where there is a free view over the whole single great problem, even if this view is still not a clear one.
» No one likes having offended another person; hence everyone feels so much better if the other person doesn't show he's been offended. Nobody likes being confronted by a wounded spaniel. Remember that. It is much easier patiently -- and tolerantly -- to avoid the person you have injured than to approach him as a friend. You need courage for that.
» You must always be puzzled by mental illness. The thing I would dread most, if I became mentally ill, would be your adopting a common sense attitude; that you could take it for granted that I was deluded.
» Never stay up on the barren heights of cleverness, but come down into the green valleys of silliness.
» Knowledge is in the end based on acknowledgement.
» If we spoke a different language, we would perceive a somewhat different world.