《徐霞客游记·粤西游日记十七》
差役再次前往骤站中去，我坐等了很久，停泊的时候多行船的时间少，想不到顺流而快行的常理到这时滞留如此！
承差复往驿中，余坐待甚久，泊多行少，不意顺流之疾，淹留乃尔！
The messenger went again to the posting station and I was kept waiting for a long time. When we stopped, we stayed long and sailed short. I never imagined that the usual swiftness of downstream sailing would be so slow! 