“17 May.—Irresistible pleasure of thought: inspiration....
“4, 16, 17 October.—Empty of ideas; sad....
“1816, 25 January.—Sad and idle. My life is useless....
“24 April.—I am another man. Every day seems a feast day. At this time of the year something seems to lift the soul to another region, and to give it strength to surmount all impediments....
“1817, 13 April.—Excited....
“7 May.—Working on Condillac....
“10, 18 July.—Marvellous activity....
“12 October.—Am transformed; thought turns to commonplace triviality....
“22, 23, 28 November.—Sterile agitation. Alteration of all my mental faculties....
“1818, 1 April.—Northerly wind. Am weary, sad, suffering, stolid....