"A very fine sermon" from "noted Quaker, Dr H.T. Hodgkin" which led over the course of the day to a long discussion as to whether was was ever justifiable and what the Christian attitude to war should be. I get the distinct impression that it is these very discussions that are making shifts in Carl's worldview and this particular one was "some discussion, and lasted until 12".
There is also a letter included in the diary, to Mr Wolfe, and dated 19th March. The letter mostly gives Carl's impressions of Japan's industrial progress, the character of its people, "the bugaboo of Japanese militarism", religious belief (opportunities for Christianity to replace "the old discarded forms")