We have already noticed the difference in the attitude of a spectator and of an agent or participant. The former is indifferent to what is going on; one result is just as good as another, since each is just something to look at. The latter is bound up with what is going on; its outcome makes a difference to him.
The Middle Works, 1899-1924 (ed. SIU Press, 1980) - ISBN: 9780809309337