4.1 A proposition presents the existence and nonexistence of atomic facts.
Wittgenstein receives his elementary school teaching certificate in July 1920. During his year of training he most enjoys reading fairy tales to the children.

Ludwig is broken, clouded emotionally, fumbling. To Engelmann: "I have continually thought of taking my own life, and the idea still haunts me sometimes. I have sunk to the lowest point." Or: "I am in a state of mind that is terrible to me."

He takes a summer job as a gardener in the Klosterneuberg monastery. The abbot: "So I see that intelligence counts for something in gardening too." He writes out confessions for all his past sins, listing for each event how it is he should have behaved.

Gnawed with self doubt, he asks Ludwig Hänsel what the teachers' college instructors think of him. Hänsel: "The professor of psychology said with great self satisfaction that he was very pleased with the noble Lord Wittgenstein."

And he grieves: "Every day I think of Pinsent. He took half my life away with him. The devil will take the other half."