Knowledge is oftwo kinds.We knowa subject ourselves, or we know where we can find information upon it.

-Johnson, Samuel known as Dr Johnson
  Remark,18  Apr. Quoted in  James Boswell  The Life of Samuel Johnson (1791), vol.2.

Er l a« chelte und sagte: 'Von mir willst du denWeg erfahren?' 'Ja,'sagte ich,'da ich ihn selbst nich finden kann.' 'Gibs auf, gibs auf,'sagte er und wandte sich mit einem groÞen Schwunge ab, so wie Leute, die mit ihrem Lachen allein sein wollen. Hesmiled and said: 'Youasking metheway?' 'Yes,'Isaid, 'since I cannot find it myself.' 'Give it up! Give it up!'said he, and turned with a sudden jerk, like someone who wants to be alone with his laughter.

-Kafka, Franz
'Gibs  Auf!', collected in Nahum N Glatzer (ed)  The Complete Stories (1971).

I pulled to the side of the street and got out my book of road maps.But to find where you are going, you must know where you are, and I didn't.

-Steinbeck,John Ernest
  TravelsWith Charley In Search of America.

I found Him in the shining of the stars, I marked Him in the flowering of His fields, But in His ways with men I find Him not.

-Tennyson
  Idylls of the King,'The Passing of Arthur', l.9^11.