Einer hat immer Unrecht: aber mit zweien beginnt die Wahrheit. Einer kann sich nicht beweisen: aber zweie kann man bereits nicht widerlegen.

The Germans are like women, you can scarcely ever fathom their depths -- they haven't any.

That which needs to be proved cannot be worth much

The existence of forgetting has never been proved: we only know that some things do not come to our mind when we want them to

The aphorism in which I am the first master among Germans, are the forms of ''eternity''; my ambition is to say in ten sentences what everyone else says in a book -- what everyone else does not say in a book.

The love of truth has its reward in heaven and even on earth.