When invading hostile territory, the general principle is, that penetrating deeply brings cohesion; penetrating but a short way means dispersion.

The quote by Sun Tzu speaks to the importance of commitment and strategic depth in any endeavor, particularly in the context of conflict or competition. The essence of the statement lies in the idea that when entering an adversarial environment, a comprehensive and cohesive approach is essential for success. To "penetrate deeply" suggests that a thorough understanding and engagement with the territory—both literal and metaphorical—leads to stronger relationships, unified efforts, and ultimately, a greater chance of success. Conversely, a "short penetration" implies a lack of commitment, which often results in fragmentation and a failure to achieve one's objectives. In modern contexts, this can be applied to various fields, including business, politics, and personal relationships. For instance, in a business setting, entering a new market requires understanding the local culture, consumer behavior, and competitive landscape. A superficial approach—such as a brief market analysis or minimal investment—may lead to misalignment with local needs and can result in the business's failure to establish itself. On the other hand, a deep dive into the market through extensive research and engagement can foster loyalty among customers and create sustainable growth. In politics, establishing a presence in a new region or negotiating a new partnership necessitates building trust and understanding the intricate dynamics at play. Leaders who invest time and resources into engaging with local communities and stakeholders can forge stronger alliances and avoid the pitfalls that come with superficial attempts at influence. Ultimately, Sun Tzu’s insight reminds us that depth and commitment are paramount in overcoming challenges, fostering collaboration, and achieving lasting success. Whether in warfare, business, or relationships, a comprehensive approach can consolidate resources and unify efforts, whereas a cursory engagement risks isolating and weakening one’s position.