《资治通鉴·后晋纪·后晋纪一》
我使人侦察，发现断路和伏险都没有，这样，我才得以长驱深入，知道大事必然成功了。
使人侦视，皆无之。吾是以长驱深入，知大事必济也。
I sent people to scout, and found that there were no broken roads or ambushes, so I was able to advance deeply, knowing that the great cause would certainly succeed.