February 21 + 

After four days of the most profound depression of spirits, bitterness, self-distrust, despair, I emerged from the cloud today quite suddenly (probably the arsenic and strychnine begins to take effect) and walked up Exhibition Road with the intention of visiting the Science Museum Library so as to refer to Schafer’s Essentials of Histology (I have to watch myself carefully so that I may act at once as soon as the balance of mind is restored). In the lobby was a woman screaming as if in pain, with a passerby at her side saying sternly, “What is the matter with you?” as if she were making herself ridiculous by suffering pain in public. + 

I passed by quickly, pretending not to notice lest⁠—after all⁠—I should be done out of my Essentials of Histology. Even in the Library I very nearly let the opportunity slide by picking up a book on squaring the circle, the preface and introduction of which I was forced to read. + 