| 1785 | Letters on the Teaching of Spinoza |
| p.33 | 24441 | Jacobi said Spinoza's pantheism is atheism, and his determinism destroys morality [West] |
| 1799 | Letters to Fichte |
| p.26 | 7072 | Jacobi was the first philosopher to talk of nihilism [Critchley] |
| Ch.2 | p.27 | 7071 | Life and rationality are pointless if we can only contemplate the freedom of our own ego |