It should be
If you want to take something, you must first explain it. If you want to take something, you must give something first. It refers to paying a price first to induce the other party to relax their vigilance, and then looking for opportunities to seize it.
Source: Chapter 36 of "Laozi": "If you want to seize it, you must secure it." "Warring States Policy·Wei Ceyi" and "Book of Zhou" say: "If you want to defeat it, you must secure it." If you want to take it, you must help it.
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