तच्चेदुभयं मध्यमोऽनुगृह्णीयात् विजिगीषुर्मध्यमानुलोमः स्यात् ॥ कZ_०७.१८.०३ ॥
tac ced ubhayaṃ madhyamo'nugṛhṇīyāt vijigīṣur madhyamānulomaḥ syāt
If the middle king supports both sides, then the would-be conqueror (vijigīṣu) should align himself in conformity with the middle king.
When a pivot power patronizes both camps, opposing it isolates you; aligning preserves access, reduces pressure, and can convert the pivot into a force-multiplier.