Pauli asks if Kronig would be ready to be his assistant in Zürich. He writes about the conditions and colleagues there.

Pauli says that he will write to Kronig next year.

Pauli urges Kronig to come to Zurich for the summer term. Addendum for Kramers about Pauli's paper with Jordan.

Pauli makes an analysis of his own psychological state during recent years. He comment on a book by Buber which Kronig has sent him. He is impressed by Buber's subject-object philosophy and regards the concept as a fundamental one.

Pauli thanks Kronig and his wife for their hospitality.

Pauli writes about Kramer's death and the "shadows" in the last years of his life.

Pauli thanks Kronig for his letter about the two different sound waves in He II, which exists at different frequencies.

Pauli gives some advice regarding Kronig's work on band spectra. He writes to Kronig that he should use Wigner's group theoretical methods.

Pauli talks about his interest in the question for which interactions the Schwinger-Dyson formalism of renormalization leads to a succesful result. He comments on Kronig's story of his dream about Ehrenfest's sermon on love. He thinks that the roots of feeling are as deep as those of thought. He says that love is a force of nature. He says that in the period of the renaissance there was not yet a separation between cognition and inner experience, and at that time love was the most important subject of philosophy (e.g. Ficino and Pico de la Mirandola and Leone Ebreo).

Pauli writes about his essays on Kepler which will be finished shortly.