When Su Qin sought to implement his policy of vertical alliance, he traveled north to persuade Marquis Wen of Yan, saying: “To the east, Yan borders Korea and Liaodong; to the north, Linhu and Loufan; to the west, Yunzhong and Jiuyuan; to the south, the Hutuo River and Yi River. Its territory stretches over two thousand li in both directions, with several hundred thousand soldiers, seven hundred war chariots, six thousand cavalry, and grain sufficient for ten years. To the south lies the fertile land of Jieshi and Yanmen; to the north, the bounty of dates and chestnuts—so abundant that even if the people never tilled the soil, these fruits alone would sustain them. This is what is called a land of heavenly abundance. When it comes to peaceful dwelling, joyful livelihood, and freedom from warfare—where no army is destroyed, no general slain—no state can compare with Yan. Does Your Majesty know why this is so? Yan suffers no invasion or turmoil because the state of Zhao to the south serves as its shield. Qin and Zhao have fought five times—Qin won twice, Zhao thrice—and in their mutual exhaustion, Your Majesty, with Yan intact, holds sway from behind. This is why Yan has escaped the ravages of enemies. Moreover, should Qin attack Yan, it must cross Yunzhong and Jiuyuan, pass through Dai and Shanggu, marching thousands of li—even if it captured Yan’s cities, Qin would know it could never hold them. That Qin cannot harm Yan is plain to see. But should Zhao attack Yan, it would issue its command, and within ten days, hundreds of thousands of troops could be encamped at Dongyuan. Crossing the Hutuo, wading the Yi, in no more than four or five days, they would press upon Yan’s very capital. Thus it is said: Qin attacks Yan from a thousand li away; Zhao attacks Yan from a hundred li. To disregard calamity within a hundred li while valuing a threat from a thousand—there is no strategy more erroneous than this. Therefore, I hope Your Majesty will forge an alliance with Zhao, uniting all the feudal lords as one, and then Yan shall surely be free of peril.”
Marquis Wen of Yan replied: “Your words carry great wisdom, yet my state is small—westward it presses upon mighty Zhao, southward it neighbors Qi, and both Qi and Zhao are powerful. If you must implement the vertical alliance to secure Yan, I am willing to lead my entire state in following your arrangements.”
💡 商战启示录
The essence of Su Qin's strategy lies in precisely identifying the true source of threat and formulating strategy accordingly. Through comparative analysis, he pointed out that the real threat to the state of Yan was not the distant state of Qin, a thousand li away, but the neighboring state of Zhao, a mere hundred li distant. This offers a profound lesson for modern enterprises: in commercial competition, the most dangerous adversary is often not the distant giant, but the nearby rival or disruptor watching with covetous eyes. For instance, Nokia and Kodak were not defeated by faraway competitors, but by disruptive innovations close at hand—such as smartphones and digital cameras. Su Qin's strategy of vertical alliance was, in essence, the construction of a strategic coalition to jointly counter proximate threats. In modern business, enterprises likewise often consolidate their positions through strategic partnerships and ecosystem alliances. The Wintel alliance between Microsoft and Intel, for example, bound them together to dominate the PC market and fend off the impact of other potential challengers. Su Qin's admonition that "to disregard the peril of a hundred li while magnifying that of a thousand li" constitutes a grave error serves as a warning to corporate leaders: they must prioritize the most pressing competitive threats before them, rather than allowing grand visions or macro-level global risks to scatter their focus. Every strategic plan should be grounded in a sober analysis of geography, resources, and the competitive landscape—identifying the "Zhao" that can directly affect your survival in the short term, and acting decisively, whether through alliance or competition, to secure the stability of your core market.