“Just as in the body, eye and ear develop as organs of perception, as senses for bodily processes, so does a man develop in himself soul and spiritual organs of perception through which the soul and...”

“The most perfidious way of harming a cause consists of defending it deliberately with faulty arguments.”

“An ordinary mirror is silvered at the back but the window of the night train has darkness behind the glass. My face and the faces of other travellers were now mirrored on this darkness in a success...”

“A man is not idle because he is absorbed in thought. There is visible labor and there is invisible labor.”

“If only [people] understood that every thought is both false and true! False by one-sidenedness resulting from man's inability to embrace the whole truth, and true as an expression of one fact of h...”

“Ihr redet, wenn ihr aufhrt mit euren Gedanken in Frieden zu sein.”