The point, which can hardly be repeated too often, is that differentiation is not separation. The head and the feet are different, but not separate, and though man is not connected to the universe by exactly the same physical relation as branch to tree or feet to head, he is nonetheless connected - and by physical relations of fascinating complexity.
Most teachers waste their time by asking question which are intended to discover what a pupil does not know whereas the true art of questioning has for its purpose to discover what pupils knows or is capable of knowing.
हम कड़वी गोली को जल्दी से गटक जाते हैं, परंतु मीठी चॉकलेट को खूब चबा कर खाते हैं, इसी तरह जीवन में बुरे समय को जल्दी भूलें और अच्छे समय का खूब आनंद उठायें