《太平广记·卷三百九十一·铭记一》
我现在正在途中，没有什么资料可查阅，只是在马鞍上探求思考，但也颇有收益。
属在途路，无所披求。据鞍运思，颇有所得。
I am now on the road and do not have access to any books. I can only think while riding on the saddle, but I have made some progress.