https://community.betfair.com/chit_chat/go/thread/view/94038/31646395/confucius-anyone-can-find-the-switch-after-the-lights-are-on2500 years before the invention of light switches and bulbs, what's that abouthttps://community.betfair.com/chit_chat/go/thread/view/94038/31646395/confucius-anyone-can-find-the-switch-after-the-lights-are-on?post_id=559314969#5593149692500 years before the invention of light switches and bulbs, what's that aboutWed, 13 May 2020 18:24:12 -0500