In 3.41 there is a mention of Gyan & Vigyan.
Gyan being knowledge, more like reading, bookish knowledge. Vigyan is understanding, learning with experience .
Was reminded on a trip to a Thailand beach where a bunch of us were going for snorkelling. And one of the group members decided to sit back on the beach chair & said " have seen all this on Discovery Channel" .
The two connected in my head. Does watching on TV a documentary about teh fish under sea and teh coral compare with being there....Do I remember all the documentaries I have watched? Answer is NO. And do I recall my snorkelling trips and teh response will be a big enthusiastic YES.
Reading about the fish & watching a documentary can never compare to the experience of being there . And if one has read before or after , the experience and knowledge connects and stays forever.