கற்றது கைமண் அளவு, கல்லாதது உலகளவு - ஔவையார்.
Yes, you must have read this is tamil text book in standard 1. Now this is translated into english and referenced in NASA. From NASA - Cosmic Questions Exhibit
What we have learned
Is like a handful of earth;
What we have yet to learn
Is like the whole world
- Auvaiyar, 4th C poet, India
Wikipedia has an article about Avvai paatti.
See also
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