Shared ground
These three sayings assume a moral order in everyday life: risky financial entanglements can cost real assets, dishonest gain can feel good and then turn painful, and careful counsel tends to stabilize major decisions. The text speaks in practical images (a garment taken as security, sweet food turning to gravel) to make outcomes memorable.
Explicitly, the passage presents risk-management around guarantees (v.16), delayed consequences for deception (v.17), and the value of counsel for stable planning—especially when stakes are as high as conflict (v.18). These align with Proverbs’ broader interest in wisdom expressed as sound judgment in money, speech, and leadership.
Where interpretation differs
How literal “take the garment” is (v.16): Some read it as a straightforward policy for lenders: when someone guarantees another person’s debt, require strong collateral. Others hear it mainly as a vivid warning: treat such a guarantor as high-risk and protect yourself accordingly, without assuming a fixed legal procedure in every case.
What “stranger” means (v.16): Some take it as a foreigner; others as any outsider/unknown party. In either case, the point in context is heightened uncertainty and reduced trust.
What “wayward woman” is doing in the line (v.16): Some see a specific kind of relationship associated with instability and unreliability; others think it may function more broadly as an image for a high-risk situation. The text itself links it to the same “take a strong pledge” logic.
Whether “wage war” is only literal war (v.18): Some keep it narrowly about military action requiring advisors; others treat it as a representative example of any high-stakes venture. The verse explicitly names war, while the first line already states the general principle about plans and advice.
Why the disagreement exists
Proverbs are short and often use concrete snapshots to teach general patterns. Because the sayings are brief and image-heavy, readers differ on how directly they should be mapped onto fixed rules (especially for v.16) and how far the examples should be generalized (especially for “war” in v.18).
What this passage clearly contributes
The passage contributes a compact picture of wise living under real-world pressure: (1) financial commitments made on behalf of others can expose a person to serious loss, so strong security is portrayed as prudent; (2) deception has a time-delayed reversal where immediate pleasure becomes harm; and (3) planning becomes “established” (made firm) when shaped by counsel, with war named as a prime example where guidance is necessary.