सर्वद्रव्येषु विद्यैव द्रव्यमाहुरनुत्तमम् ।
अहार्यत्वादनर्घत्वादक्षयत्वाच्च सर्वदा ॥
sarva-dravyeṣu vidyaiva dravyam āhur anuttamam |
ahāryatvād anarghatvād akṣayatvāc ca sarvadā ||
(Hitopadeśa: Maṅgalācaraṇa, 4)
“Among all objects, knowledge alone is said to be the superlative object because of [its] always being inexhaustible, invaluable, and non-stealable.”