Rì zhī lù
Rizhilu or Record of daily study, by early Confucian philosopher Gu Yanwu 顧炎武|顾炎武
Gù Yán wǔ
Gu Yanwu (1613-1682), late Ming and early Qing Confucian philosopher, linguist and historian, played a founding role in phonology of early Chinese, author of Rizhilu or Record of daily study 日知錄|日知录