The Jungle Book by Rudyard Kipling Chapter 9 Page 24

Nag coiled himself up, raised his head, and looked into the bathroom in the dark, and Rikki could see his eyes glitter.

“Now, if I kill him here, Nagaina will know; and if I fight him on the open floor, the odds are in his favor. What am I to do?” said Rikki-tikki-tavi.

Nag waved to and fro, and then Rikki-tikki heard him drinking from the biggest water-jar that was used to fill the bath.

“That is good,” said the snake. “Now, when Karait was killed, the big man had a stick. He may have that stick still, but when he comes in to bathe in the morning he will not have a stick. I shall wait here till he comes. Nagaina — do you hear me? — I shall wait here in the cool till daytime.”