Friday, February the 21st, has come even as the first rays of the sun enter Shri Nathji’s bedroom at 9:40 am.“Khoob“Keep a very cheerful atmosphere in the house!”“Khushee to, Piyaji, paihli“Cheerfulness, Piyaji, is the prime medicine!”Shri Nathji also says:“Davaaen hoti hain–ek taraf faayedaa karti hain, doosri taraf nuksaan. Pataa saaraa kissee ko bhee naheen hotaa!”“These medicines–they do good on the one hand and can cause harm on the other. No one knows for certain.”Shri Nathji words were to ring out true in the years of medical research that followed. Medicines, which had earlier been thought to be effective in the world, were banned because of their serious side effects. It appeared as if medical science itself was not certain about the medicines it had discovered.