《徐霞客游记·粤西游日记十七》
初六日洞中事完毕，我想去探一探铁旗岩，便为出行做准备。
初六日，洞中事完，余欲一探铁旗岩，遂为行计。
On the sixth day of the first lunar month, when the cave was finished, I decided to explore the Iron Flag Rock and made preparations for my trip.