
Professor entered his classroom and he was bringing two buckets, one was empty and another full of water and three bags.He put the empty bucket on the table in front of his students then he get a number of large rocks from one bag and put it carefully in bucket and then dragging a bag full of small stones and had been putting by filled the gaps between big rocks and then poured the bag of sand in the bucket even filled all the blanks and then poured water until filled.
He look to his students and asked them “what do you think the aim of experience from your point of view?