सर्वद्रव्येषु विद्यैव द्रव्यमाहुरनुत्तमम् ।
अहार्यत्वादनर्घ्यत्वादक्षयत्वाच्च सर्वदा ॥ -हितोपदेशः
sarvadravyeShu vidyaiva dravyamaahuranuttamam
ahaaryatvaadanarghyatvaadaKshayatvaachcha sarvada hitopadesha
Among all things knowledge only, they say, is a supreme treasure because it cannot be stolen, it is priceless and always imperishable. hitopadesha
Kalpana 