अर्थस्य मूलमुत्थानमनर्थस्य विपर्ययः ॥ कZ_०१.१९.३५च्द् ॥
arthasya mūlamutthānam anarthasya viparyayaḥ
The root of prosperity is sustained effort; the root of adversity is its opposite (lack of effort and vigilance).
It sets a causal rule for administration: effort and vigilance generate revenue and stability; complacency generates leakage, disorder, and decline.