Based on his calculations, James Forsyth had predicted that Comet Dutta would collide with the earth within ten months. Sir John made him realise about the panic his prediction would create throughout the world. After reaching his hotel room, he looked up from his window. He saw a star-studded night sky. He felt that it was difficult to calculate exactly the impending calamity in advance. That is why he grew doubtful about his sums and calculations.