Nothing is so difficult as not deceiving oneself.

Like everything metaphysical the harmony between thought and reality is to be found in the grammar of the language.

We learn by rearranging what we know.

People often say that aesthetics is a branch of psychology. The idea is that once we are more advanced-all the mysteries of art-will be understood by psychological experiments. Exceedingly stupid at this idea is, this is roughly it.

The common behavior of mankind is the system of reference by means of which we interpret an unknown language.

Philosophers are often like little children, who first scribble random lines on a piece of paper with their pencils, and now ask an adult 'What is that?

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.