@greatpath,
A great quote and it has a deep meaning as well. Very useful quote for students, coz if they follow this quote we can see happy world than ever! Really appreciate your effort and thanks for sharing with us!
(My upvote power was drained and still not well recovered. Please allow me two more days to give you 100% upvotes)
Cheers~
Your nice comment is enough. No need for the upvote:)